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4-40 Connectors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .350" 5229996-3 TE Connectivity / AMP 1: $0.346 20,267In Stock	Mfr. Part # 5229996-3 Mouser Part # 571-5229996-3	TE Connectivity / AMP	D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .350"	Datasheet	20,267In Stock	$0.346 $0.301 $0.275 $0.256 View $0.235 $0.215 $0.193 $0.187 $0.171	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB37/HD62 METAL SDC37AG L-Com 1: $42.13 52In Stock New At Mouser	Mfr. Part # SDC37AG Mouser Part # 17-SDC37AG New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB37/HD62 METAL	Datasheet	52In Stock	$42.13 $38.87 $36.43 $34.80 View $32.50 $32.49 $32.31 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 18.7 NM 173114-0170 Molex 1: $7.80 213In Stock	Mfr. Part # 173114-0170 Mouser Part # 152-173114-0170	Molex	D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 18.7 NM	Datasheet	213In Stock	$7.80 $7.10 $6.72 $6.57 View $6.25 $5.47 $5.31 $4.54 $4.22	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 12.9 173112-0597 Molex 1: $2.15 450In Stock	Mfr. Part # 173112-0597 Mouser Part # 152-173112-0597	Molex	D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 12.9	Datasheet	450In Stock	$2.15 $1.87 $1.79 $1.67 View $1.51 $1.40 $1.25 $1.21 $1.15	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCRW RETAINER KIT 5746881-2 TE Connectivity / AMP 1: $3.33 10,000In Stock	Mfr. Part # 5746881-2 Mouser Part # 571-5746881-2	TE Connectivity / AMP	D-Sub Tools & Hardware SCRW RETAINER KIT	Datasheet	10,000In Stock	$3.33 $2.98 $2.85 $2.66 View $2.48 $2.38 $2.28 $2.17 $1.63	Min.: 1 Mult.: 1
Standard Circular Connector CeeLok FAS-T Receptacle Kit, PCB,NI,A 2102351-3 TE Connectivity / AMP 1: $508.22 35In Stock	Mfr. Part # 2102351-3 Mouser Part # 571-2102351-3	TE Connectivity / AMP	Standard Circular Connector CeeLok FAS-T Receptacle Kit, PCB,NI,A	Datasheet	35In Stock	$508.22 $490.48 $477.96	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 X 0.430 D-SUB COVER SCREW B71E314165S Northern Technologies 1: $0.85 1,000In Stock New At Mouser	Mfr. Part # B71E314165S Mouser Part # 19-B71E314165S New At Mouser	Northern Technologies	D-Sub Tools & Hardware 4-40 X 0.430 D-SUB COVER SCREW	Datasheet	1,000In Stock	$0.85 $0.73 $0.668 $0.603 View $0.55 $0.462 $0.433 $0.415 $0.393	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT 3342-4-KIT 3M Electronic Solutions Division 1: $3.73 15In Stock	Mfr. Part # 3342-4-KIT Mouser Part # 517-3342-4-KIT	3M Electronic Solutions Division	D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT	Datasheet	15In Stock	$3.73 $3.40 $3.23 $2.59 View $2.53 $2.49 $2.33 $2.28 $2.20	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O MOUNTINGS SCREWS AND SETS 7000057926 3M Electronic Specialty 1: $10.60 44In Stock	Mfr. Part # 7000057926 Mouser Part # 517-7000057926	3M Electronic Specialty	D-Sub Tools & Hardware I/O MOUNTINGS SCREWS AND SETS	Datasheet	44In Stock	$10.60 $9.59 $9.06 $8.29 View $7.03 $6.90 $6.68 $6.29 $6.16	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB9/HD15 METAL SDC9AG L-Com 1: $19.89 716In Stock New At Mouser	Mfr. Part # SDC9AG Mouser Part # 17-SDC9AG New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB9/HD15 METAL Learn More about L-Com l com d sub connectors	Datasheet	716In Stock	$19.89 $17.97 $16.80 $16.00 View $14.88 $13.88 $12.99 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT THMB SCREW 4-40UNC 55.6 W/CAP 173112-0426 Molex 1: $3.11 1,574In Stock	Mfr. Part # 173112-0426 Mouser Part # 152-173112-0426	Molex	D-Sub Tools & Hardware FCT THMB SCREW 4-40UNC 55.6 W/CAP	Datasheet	1,574In Stock	$3.11 $2.72 $2.59 $2.42 View $2.19 $2.02 $1.80 $1.68 $1.61	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 10PACK FEMALE SCREW L17-D20418-2-TX Amphenol Commercial Products 1: $9.24 373In Stock 800Expected 2026-12-21	Mfr. Part # L17-D20418-2-TX Mouser Part # 523-17-D20418-2-TX	Amphenol Commercial Products	D-Sub Tools & Hardware 10PACK FEMALE SCREW	Datasheet	373In Stock 800Expected 2026-12-21	$9.24 $7.82 $7.63 $7.14 View $6.77 $6.75 $6.65	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREW 4-40 5.59mm 5205979-1 TE Connectivity / AMP 1: $1.47 3,546In Stock	Mfr. Part # 5205979-1 Mouser Part # 571-5205979-1	TE Connectivity / AMP	D-Sub Tools & Hardware SCREW 4-40 5.59mm Learn More about TE Connectivity / AMP te connectivity amplimite military dsub connectors	Datasheet	3,546In Stock	$1.47 $1.25 $1.11 $1.06 View $0.994 $0.946 $0.881 $0.825 $0.776	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .425" 5229996-2 TE Connectivity 1: $1.22 3,680In Stock	Mfr. Part # 5229996-2 Mouser Part # 571-5229996-2	TE Connectivity	D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .425"	Datasheet	3,680In Stock	$1.22 $1.05 $0.933 $0.888 View $0.832 $0.792 $0.726 $0.681 $0.655	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FEMALE SCREWLOCK 5748271-3 TE Connectivity 1: $6.93 2,622In Stock	Mfr. Part # 5748271-3 Mouser Part # 571-5748271-3	TE Connectivity	D-Sub Tools & Hardware FEMALE SCREWLOCK Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	2,622In Stock	$6.93 $6.22 $5.92 $5.67 View $5.40 $5.07 $5.03 $4.69 $4.41	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK FOR STRT VERSION 09660009972 HARTING 1: $1.53 3,918In Stock	Mfr. Part # 09660009972 Mouser Part # 617-09-66-000-9972	HARTING	D-Sub Tools & Hardware SCREWLOCK FOR STRT VERSION	Datasheet	3,918In Stock	$1.53 $1.40 $1.25 $1.19 View $1.10 $1.06 $1.01 $0.948 $0.94	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK UNC 13MM 2pc=1 connector 09670009922 HARTING 1: $1.61 13,437In Stock	Mfr. Part # 09670009922 Mouser Part # 617-09-67-000-9922	HARTING	D-Sub Tools & Hardware SCREWLOCK UNC 13MM 2pc=1 connector	Datasheet	13,437In Stock	$1.61 $1.37 $1.22 $1.16 View $1.08 $1.04 $0.989 $0.946 $0.919	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 13MM 09670009924 HARTING 1: $1.84 7,555In Stock	Mfr. Part # 09670009924 Mouser Part # 617-09-67-000-9924	HARTING	D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 13MM	Datasheet	7,555In Stock	$1.84 $1.61 $1.50 $1.42 View $1.31 $1.27 $1.21 $1.15	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK FOR R/A VERSION 09670009972 HARTING 1: $0.907 27,676In Stock	Mfr. Part # 09670009972 Mouser Part # 617-09-67-000-9972	HARTING	D-Sub Tools & Hardware SCREWLOCK FOR R/A VERSION	Datasheet	27,676In Stock	$0.907 $0.776 $0.693 $0.658 View $0.588 $0.556 $0.521 $0.508 $0.472	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 18MM 09670009973 HARTING 1: $1.86 4,459In Stock	Mfr. Part # 09670009973 Mouser Part # 617-09-67-000-9973	HARTING	D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 18MM	Datasheet	4,459In Stock	$1.86 $1.58 $1.41 $1.34 View $1.25 $1.20 $1.14 $1.07	Min.: 1 Mult.: 1
D-Sub Tools & Hardware D-SUB ML SCRWLK 4-40 09670009971 HARTING 1: $1.14 5,647In Stock	Mfr. Part # 09670009971 Mouser Part # 617-09670009971	HARTING	D-Sub Tools & Hardware D-SUB ML SCRWLK 4-40 Learn More about HARTING backshell d sub connectors	Datasheet	5,647In Stock	$1.14 $0.968 $0.864 $0.821 View $0.733 $0.707 $0.662 $0.647 $0.602	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HEX EXTENDER KIT 4-40 UNC 09670019985 HARTING 1: $3.61 1,550In Stock 1,800Expected 2026-11-06	Mfr. Part # 09670019985 Mouser Part # 617-09670019985	HARTING	D-Sub Tools & Hardware HEX EXTENDER KIT 4-40 UNC	Datasheet	1,550In Stock 1,800Expected 2026-11-06	$3.61 $3.08 $2.75 $2.61 View $2.42 $2.32 $2.07	Min.: 1 Mult.: 1
D-Sub Tools & Hardware F screw lock for PCB 863001019TLF Amphenol Commercial Products 1: $0.749 13,664In Stock	Mfr. Part # 863001019TLF Mouser Part # 649-863001019TLF	Amphenol Commercial Products	D-Sub Tools & Hardware F screw lock for PCB Learn More about Amphenol Commercial Products amphenol commercial d sub io connectors	Datasheet	13,664In Stock	$0.749 $0.539 $0.495 $0.465 View $0.433 $0.432 $0.423 $0.412 $0.382	Min.: 1 Mult.: 1
D-Sub Tools & Hardware Male screw lock 9 15 25 Pin & Socket 863005ATLF Amphenol Commercial Products 1: $1.80 3,406In Stock	Mfr. Part # 863005ATLF Mouser Part # 649-863005ATLF	Amphenol Commercial Products	D-Sub Tools & Hardware Male screw lock 9 15 25 Pin & Socket Learn More about Amphenol Commercial Products amphenol fci d sub io connectors	Datasheet	3,406In Stock	$1.80 $1.64 $1.47 $1.39 View $1.30 $1.24 $1.18 $1.09	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB15 METAL RIGHT ANG SDRA15AG L-Com 1: $32.11 116In Stock 674On Order New At Mouser	Mfr. Part # SDRA15AG Mouser Part # 17-SDRA15AG New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB15 METAL RIGHT ANG	Datasheet	116In Stock 674On Order On Order Ship Dates Mfr. #: SDRA15AG Stock: 116 Can Ship Immediately On Order: 285 Pending 44 Expected 2026-10-16 345 Expected 2027-01-01 Factory Lead-Time: 16 Weeks	$32.11 $27.29 $25.57 $24.36 View $23.20 $21.74 $20.71	Min.: 1 Mult.: 1

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