Circular Connectors – Mouser Canada

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NMEA 2000 Connector System

Amphenol LTW NMEA 2000 Connector System is specifically designed to meet NMEA 2000 protocols and standards. This IP68-rated family of multi-port, standard, and metric circular connectors, sensors and actuator cables, and elbow joints. These products are ideal for connecting marine electronic equipment and display units within ships and boats. The NMEA 2000 lineup features high signal reliability, allowing multiple electronic devices to share data over one common channel. Starter kits are available in basic and professional packages to help build NMEA 2000 networks with varying levels of complexity. Amphenol LTW NMEA 2000 Connector System is suitable for a wide range of applications, such as fish finders, GPS receivers, autopilots, sonars, and audio systems.

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Types of Circular Connectors

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Part #

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, IP68

MC-05BFFT-SL8001
Amphenol LTW
1: $11.36
28In Stock

Mfr. Part #
MC-05BFFT-SL8001

Mouser Part #
523-MC-05BFFT-SL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, IP68

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Datasheet

28In Stock

$11.36

$8.41

$8.09

$7.68

View

Min.: 1
Mult.: 1

Accessories

Socket (Female)

IP68

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, IP68

MC-05BMMT-SL8001
Amphenol LTW
1: $8.83
36In Stock

Mfr. Part #
MC-05BMMT-SL8001

Mouser Part #
523-MC-05BMMT-SL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, IP68

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Datasheet

36In Stock

$8.83

$8.58

$8.12

$6.68

View

Min.: 1
Mult.: 1

Accessories

Pin (Male)

IP68

Standard Circular Connector NMEA 2000, Terminator, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, IP68

MCP-05BMMT-SL8001
Amphenol LTW
1: $8.29
48In Stock

Mfr. Part #
MCP-05BMMT-SL8001

Mouser Part #
523-MCP-05BMMTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, IP68

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Datasheet

48In Stock

$8.29

$7.03

$6.09

$5.88

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Solder

IP68

Standard Circular Connector NMEA 2000, Mini, Metal, 8A, 05 pins, Female Connector, Female Contact, Straight, Screw-in, Field Installable, F8.0 - F11.0mm, IP67

MN-05BFFB-SL7001
Amphenol LTW
1: $32.28
6In Stock
30Expected 2026-03-17

Mfr. Part #
MN-05BFFB-SL7001

Mouser Part #
523-MN-05BFFB-SL7001

Amphenol LTW

Standard Circular Connector NMEA 2000, Mini, Metal, 8A, 05 pins, Female Connector, Female Contact, Straight, Screw-in, Field Installable, F8.0 - F11.0mm, IP67

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Datasheet

6In Stock

30Expected 2026-03-17

$32.28

$26.88

$24.88

$23.04

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

IP67

Standard Circular Connector NMEA 2000, Mini, Metal, 8A, 05 pins, Male Connector, Male Contact, Straight, Screw-in, Field Installable, F8.0 - F11.0mm, IP67

MN-05BMMB-SL7001
Amphenol LTW
1: $32.36
39In Stock

Mfr. Part #
MN-05BMMB-SL7001

Mouser Part #
523-MN-05BMMB-SL7001

Amphenol LTW

Standard Circular Connector NMEA 2000, Mini, Metal, 8A, 05 pins, Male Connector, Male Contact, Straight, Screw-in, Field Installable, F8.0 - F11.0mm, IP67

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Datasheet

39In Stock

$32.36

$27.49

$26.57

$22.95

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Screw

IP67

Standard Circular Connector NMEA 2000, Terminator, Metal, 8A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, IP68

MNL-05BFFT-SL8001
Amphenol LTW
1: $33.11
8In Stock

Mfr. Part #
MNL-05BFFT-SL8001

Mouser Part #
523-MNL-05BFFTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Metal, 8A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, IP68

Learn More

Datasheet

8In Stock

$33.11

$28.14

$26.60

$23.49

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

IP68

Standard Circular Connector NMEA 2000, Terminator, Metal, 8A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, IP68

MNL-05BMMT-SL8001
Amphenol LTW
1: $30.15
8In Stock

Mfr. Part #
MNL-05BMMT-SL8001

Mouser Part #
523-MNL-05BMMTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Metal, 8A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, IP68

Learn More

Datasheet

8In Stock

$30.15

$25.62

$23.70

$22.87

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Solder

IP68

Standard Circular Connector NMEA 2000, Multi-Port T Adaptor, Metal, 4A, 05 pins, Screw Thread, IP68

S-555555-FFFFFM-S001
Amphenol LTW
1: $78.50
34In Stock
40Expected 2026-03-24

Mfr. Part #
S-555555-FFFFFM-S001

Mouser Part #
523-S555555FFFFMS001

Amphenol LTW

Standard Circular Connector NMEA 2000, Multi-Port T Adaptor, Metal, 4A, 05 pins, Screw Thread, IP68

Learn More

Datasheet

34In Stock

40Expected 2026-03-24

$78.50

$67.42

$62.40

$60.19

View

Min.: 1
Mult.: 1

Adapters

Pin (Male), Socket (Female)

IP68

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, Terminator, Straight

UMC-05BFFT-SL8001
Amphenol LTW
1: $19.77
1In Stock

Mfr. Part #
UMC-05BFFT-SL8001

Mouser Part #
523-UMC-05BFFTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, Terminator, Straight

Learn More

Datasheet

1In Stock

$19.77

$16.79

$15.55

$15.00

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

IP68

Standard Circular Connector NMEA 2000, Bulkhead, Metal, 8A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, IP68

UMC-000505-0FM-BS001
Amphenol LTW
1: $41.17
19In Stock

Mfr. Part #
UMC-000505-0FM-BS001

Mouser Part #
523-UMC0005050FMBS00

Amphenol LTW

Standard Circular Connector NMEA 2000, Bulkhead, Metal, 8A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, IP68

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Datasheet

19In Stock

$41.17

$34.98

$32.60

$31.22

View

Min.: 1
Mult.: 1

Connectors

Pin (Male), Socket (Female)

IP68

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, T Adaptor

UMC-050505-FMF-TS001
Amphenol LTW
1: $41.60
55In Stock

Mfr. Part #
UMC-050505-FMF-TS001

Mouser Part #
523-UMC050505FMFTS00

Amphenol LTW

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, T Adaptor

Learn More

Datasheet

55In Stock

$41.60

$38.50

$37.13

$32.48

Min.: 1
Mult.: 1

Adapters

Pin (Male)

IP68

Standard Circular Connector NMEA 2000, T Adaptor, Metal, 8A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, (End 3) Female Female, NMEA 2000 Certificate, IP67

UMN-050505-FMF-TS001
Amphenol LTW
1: $145.98
2In Stock

Mfr. Part #
UMN-050505-FMF-TS001

Mouser Part #
523-UMN050505FMFTS00

Amphenol LTW

Standard Circular Connector NMEA 2000, T Adaptor, Metal, 8A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, (End 3) Female Female, NMEA 2000 Certificate, IP67

Learn More

Datasheet

2In Stock

$145.98

$128.77

$115.32

$112.19

View

Min.: 1
Mult.: 1

Adapters

Pin (Male), Socket (Female)

IP67

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

HMC-05BMMT-SL8001
Amphenol LTW
1: $14.35
282On Order

Mfr. Part #
HMC-05BMMT-SL8001

Mouser Part #
523-HMC-05BMMTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

Learn More

Datasheet

282On Order

$14.35

$12.19

$11.28

$10.88

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Solder

IP68

Standard Circular Connector NMEA 2000, Multi-Port T Adaptor, Metal, 4A, 05 pins, Screw Thread, NMEA 2000 Certificate, IP68

H-555500-FFFM00-S001
Amphenol LTW
1: $63.87
30On Order

Mfr. Part #
H-555500-FFFM00-S001

Mouser Part #
523-H-555500FFFMS001

Amphenol LTW

Standard Circular Connector NMEA 2000, Multi-Port T Adaptor, Metal, 4A, 05 pins, Screw Thread, NMEA 2000 Certificate, IP68

Learn More

Datasheet

30On Order

$63.87

$52.67

$49.24

$44.04

View

Min.: 1
Mult.: 1

Adapters

Pin (Male), Socket (Female)

IP68

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

HMC-05BFFT-SL8001
Amphenol LTW
1: $13.54
185On Order

Mfr. Part #
HMC-05BFFT-SL8001

Mouser Part #
523-HMC-05BFFTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

Learn More

Datasheet

185On Order

$13.54

$11.50

$10.64

$10.27

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

IP68

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Solder, Receptacle, IP68

HMC-05PFFS-SF8001
Amphenol LTW
1: $18.68
20Expected 2026-05-20

Mfr. Part #
HMC-05PFFS-SF8001

Mouser Part #
523-HMC-05PFFSSF8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Solder, Receptacle, IP68

Learn More

Datasheet

20Expected 2026-05-20

$18.68

$15.87

$14.87

$14.17

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder Cup

IP68

Standard Circular Connector NMEA 2000, L Adaptor, Metal, 4A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, NMEA 2000 Certificate, IP68

HMC-000505-0FM-ES001
Amphenol LTW
1: $20.65
20Expected 2026-05-20

Mfr. Part #
HMC-000505-0FM-ES001

Mouser Part #
523-HMC0005050FMES00

Amphenol LTW

Standard Circular Connector NMEA 2000, L Adaptor, Metal, 4A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, NMEA 2000 Certificate, IP68

Learn More

Datasheet

20Expected 2026-05-20

$20.65

$17.56

$16.06

$15.33

View

Min.: 1
Mult.: 1

Adapters

Pin (Male), Socket (Female)

IP68

Standard Circular Connector NMEA 2000, Mini, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

HPC-05BFFB-SL7001
Amphenol LTW
1: $28.69
24On Order

Mfr. Part #
HPC-05BFFB-SL7001

Mouser Part #
523-HPC-05BFFBSL7001

Amphenol LTW

Standard Circular Connector NMEA 2000, Mini, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

Learn More

Datasheet

24On Order

$28.69

$24.85

$23.30

$21.41

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

IP67

Standard Circular Connector NMEA 2000, Micro, Plastic, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Solder, Receptacle, IP68

HPC-05PFFS-SF8001
Amphenol LTW
1: $20.12
20Expected 2026-03-17

Mfr. Part #
HPC-05PFFS-SF8001

Mouser Part #
523-HPC-05PFFSSF8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Plastic, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Solder, Receptacle, IP68

Learn More

Datasheet

20Expected 2026-03-17

$20.12

$16.89

$16.41

$14.84

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder Cup

IP68

Standard Circular Connector NMEA 2000, T Adaptor, Metal, 4A, 05 pins, Female Connector, Female Contact, Screw Thread, (End 1) Female Female, (End 2) Male Male, (End 3) Female Female, IP67

NC-050505-FMF-TS001
Amphenol LTW
1: $47.78
10Expected 2026-05-06

Mfr. Part #
NC-050505-FMF-TS001

Mouser Part #
523-NC050505FMFTS001

Amphenol LTW

Standard Circular Connector NMEA 2000, T Adaptor, Metal, 4A, 05 pins, Female Connector, Female Contact, Screw Thread, (End 1) Female Female, (End 2) Male Male, (End 3) Female Female, IP67

Learn More

Datasheet

10Expected 2026-05-06

$47.78

$42.21

$37.18

$36.56

View

Min.: 1
Mult.: 1

Adapters

Pin (Male), Socket (Female)

IP67

Standard Circular Connector NMEA 2000, Waterproof Cap, Metal, Screw Thread

CAP-WMNMSMA1
Amphenol LTW
1: $11.54
Non-Stocked Lead-Time 5 Weeks

Mfr. Part #
CAP-WMNMSMA1

Mouser Part #
523-CAP-WMNMSMA1

Amphenol LTW

Standard Circular Connector NMEA 2000, Waterproof Cap, Metal, Screw Thread

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$11.54

$10.96

$10.38

$10.13

View

Min.: 1
Mult.: 1

Accessories

IP68

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 2000mm, NMEA 2000 Certificate, IP68

E-555500-FFFF00-SA02
Amphenol LTW
10: $124.87
Non-Stocked Lead-Time 5 Weeks

Mfr. Part #
E-555500-FFFF00-SA02

Mouser Part #
523-E-555500FFFFSA02

Amphenol LTW

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 2000mm, NMEA 2000 Certificate, IP68

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$124.87

$116.86

$114.07

View

Min.: 10
Mult.: 10

IP68

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 5000mm, NMEA 2000 Certificate, IP68

E-555500-FFFF00-SA05
Amphenol LTW
10: $152.27
Non-Stocked Lead-Time 5 Weeks

Mfr. Part #
E-555500-FFFF00-SA05

Mouser Part #
523-E-555500FFFFSA05

Amphenol LTW

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 5000mm, NMEA 2000 Certificate, IP68

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$152.27

$144.97

$141.14

View

Min.: 10
Mult.: 10

IP68

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 10000mm, NMEA 2000 Certificate, IP68

E-555500-FFFF00-SA10
Amphenol LTW
10: $197.08
Non-Stocked Lead-Time 5 Weeks

Mfr. Part #
E-555500-FFFF00-SA10

Mouser Part #
523-E-555500FFFFSA10

Amphenol LTW

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 10000mm, NMEA 2000 Certificate, IP68

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$197.08

$190.00

View

Min.: 10
Mult.: 10

IP68

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, Multi-Port T Adaptor

E-555500-FFFM00-S001
Amphenol LTW
1: $116.71
Non-Stocked Lead-Time 5 Weeks

Mfr. Part #
E-555500-FFFM00-S001

Mouser Part #
523-E-555500FFFMS001

Amphenol LTW

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, Multi-Port T Adaptor

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$116.71

$103.44

$95.81

$93.53

View

Min.: 1
Mult.: 1

Adapters

Pin (Male), Socket (Female)

IP68

NMEA 2000 Connector System

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