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4-40 Connectors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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: $0.22 20,267In Stock	Mfr. Part No. 5229996-3 Mouser Part No 571-5229996-3	TE Connectivity / AMP	D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .350"	Datasheet	20,267In Stock	$0.22 $0.188 $0.176 $0.167 View $0.157 $0.147 $0.13 $0.127 $0.112	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SPECIAL ZINC SCREW 5206052-3 TE Connectivity 1: $3.11 1,936In Stock	Mfr. Part No. 5206052-3 Mouser Part No 571-5206052-3	TE Connectivity	D-Sub Tools & Hardware SPECIAL ZINC SCREW Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	1,936In Stock	$3.11 $2.80 $2.59 $2.51 View $2.20 $2.04 $1.95 $1.90 $1.85	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCRW RETAINER KIT 5746881-2 TE Connectivity / AMP 1: $2.23 5,000In Stock 5,000Expected 2026/11/22	Mfr. Part No. 5746881-2 Mouser Part No 571-5746881-2	TE Connectivity / AMP	D-Sub Tools & Hardware SCRW RETAINER KIT	Datasheet	5,000In Stock 5,000Expected 2026/11/22	$2.23 $1.90 $1.69 $1.60 View $1.51 $1.44 $1.36 $1.26 $1.24	Min.: 1 Mult.: 1
Standard Circular Connector CeeLok FAS-T Receptacle Kit, PCB,NI,A 2102351-3 TE Connectivity / AMP 1: $393.90 35In Stock	Mfr. Part No. 2102351-3 Mouser Part No 571-2102351-3	TE Connectivity / AMP	Standard Circular Connector CeeLok FAS-T Receptacle Kit, PCB,NI,A	Datasheet	35In Stock	$393.90 $355.66	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB37/HD62 METAL SDC37AG L-Com 1: $29.26 58In Stock New At Mouser	Mfr. Part No. SDC37AG Mouser Part No 17-SDC37AG New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB37/HD62 METAL	Datasheet	58In Stock	$29.26 $26.99 $25.31 $24.18 View $22.57 $22.56 $22.45 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 18.7 NM 173114-0170 Molex / FCT 1: $5.11 213In Stock	Mfr. Part No. 173114-0170 Mouser Part No 152-173114-0170	Molex / FCT	D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 18.7 NM	Datasheet	213In Stock	$5.11 $4.64 $4.47 $3.79 View $3.57 $3.07 $2.91 $2.84	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 12.9 173112-0597 Molex / FCT 1: $1.29 450In Stock	Mfr. Part No. 173112-0597 Mouser Part No 152-173112-0597	Molex / FCT	D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 12.9	Datasheet	450In Stock	$1.29 $1.09 $1.05 $0.977 View $0.887 $0.672 $0.618 $0.602 $0.593	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT 3342-4-KIT 3M Electronic Solutions Division 1: $2.59 15In Stock	Mfr. Part No. 3342-4-KIT Mouser Part No 517-3342-4-KIT	3M Electronic Solutions Division	D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT	Datasheet	15In Stock	$2.59 $2.36 $2.24 $1.80 View $1.76 $1.73 $1.62 $1.58 $1.54	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O MOUNTINGS SCREWS AND SETS 7000057926 3M Electronic Specialty 1: $7.36 44In Stock	Mfr. Part No. 7000057926 Mouser Part No 517-7000057926	3M Electronic Specialty	D-Sub Tools & Hardware I/O MOUNTINGS SCREWS AND SETS	Datasheet	44In Stock	$7.36 $6.66 $6.29 $5.76 View $4.88 $4.79 $4.64 $4.37 $4.28	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB9/HD15 METAL SDC9AG L-Com 1: $14.25 735In Stock New At Mouser	Mfr. Part No. SDC9AG Mouser Part No 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	735In Stock	$14.25 $12.78 $11.91 $11.34 View $10.77 $9.98 $9.68 $9.02 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT THMB SCREW 4-40UNC 55.6 W/CAP 173112-0426 Molex / FCT 1: $2.11 1,574In Stock	Mfr. Part No. 173112-0426 Mouser Part No 152-173112-0426	Molex / FCT	D-Sub Tools & Hardware FCT THMB SCREW 4-40UNC 55.6 W/CAP	Datasheet	1,574In Stock	$2.11 $1.80 $1.60 $1.54 View $1.43 $1.41 $1.14 $1.10 $1.07	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 10PACK FEMALE SCREW L17-D20418-2-TX Amphenol Commercial Products 1: $6.07 473In Stock 800Expected 2026/12/21	Mfr. Part No. L17-D20418-2-TX Mouser Part No 523-17-D20418-2-TX	Amphenol Commercial Products	D-Sub Tools & Hardware 10PACK FEMALE SCREW	Datasheet	473In Stock 800Expected 2026/12/21	$6.07 $5.26 $5.16 $4.79 $4.62	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREW 4-40 5.59mm 5205979-1 TE Connectivity / AMP 1: $1.02 3,546In Stock	Mfr. Part No. 5205979-1 Mouser Part No 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	$1.02 $0.866 $0.773 $0.736 View $0.69 $0.657 $0.612 $0.573 $0.54	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .425" 5229996-2 TE Connectivity 1: $0.85 3,780In Stock	Mfr. Part No. 5229996-2 Mouser Part No 571-5229996-2	TE Connectivity	D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .425"	Datasheet	3,780In Stock	$0.85 $0.726 $0.648 $0.618 View $0.578 $0.55 $0.504 $0.473 $0.455	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FEMALE SCREWLOCK 5748271-3 TE Connectivity 1: $4.81 2,622In Stock	Mfr. Part No. 5748271-3 Mouser Part No 571-5748271-3	TE Connectivity	D-Sub Tools & Hardware FEMALE SCREWLOCK Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	2,622In Stock	$4.81 $4.33 $4.11 $3.94 View $3.76 $3.52 $3.49 $3.26 $3.06	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK FOR STRT VERSION 09660009972 HARTING 1: $1.06 4,658In Stock	Mfr. Part No. 09660009972 Mouser Part No 617-09-66-000-9972	HARTING	D-Sub Tools & Hardware SCREWLOCK FOR STRT VERSION	Datasheet	4,658In Stock	$1.06 $0.973 $0.869 $0.827 View $0.765 $0.739 $0.702 $0.658 $0.654	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK UNC 13MM 2pc=1 connector 09670009922 HARTING 2: $1.12 14,214In Stock	Mfr. Part No. 09670009922 Mouser Part No 617-09-67-000-9922	HARTING	D-Sub Tools & Hardware SCREWLOCK UNC 13MM 2pc=1 connector	Datasheet	14,214In Stock	$1.12 $0.952 $0.85 $0.809 View $0.748 $0.722 $0.687 $0.657 $0.638	Min.: 2 Mult.: 2
D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 13MM 09670009924 HARTING 1: $1.28 8,710In Stock	Mfr. Part No. 09670009924 Mouser Part No 617-09-67-000-9924	HARTING	D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 13MM	Datasheet	8,710In Stock	$1.28 $1.12 $1.04 $0.984 View $0.913 $0.882 $0.84 $0.801	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK FOR R/A VERSION 09670009972 HARTING 1: $0.611 27,809In Stock	Mfr. Part No. 09670009972 Mouser Part No 617-09-67-000-9972	HARTING	D-Sub Tools & Hardware SCREWLOCK FOR R/A VERSION	Datasheet	27,809In Stock	$0.611 $0.518 $0.461 $0.438 View $0.391 $0.368 $0.345 $0.338 $0.313	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 18MM 09670009973 HARTING 1: $1.29 4,459In Stock	Mfr. Part No. 09670009973 Mouser Part No 617-09-67-000-9973	HARTING	D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 18MM	Datasheet	4,459In Stock	$1.29 $1.10 $0.983 $0.934 View $0.865 $0.834 $0.826	Min.: 1 Mult.: 1
D-Sub Tools & Hardware D-SUB ML SCRWLK 4-40 09670009971 HARTING 1: $0.79 5,650In Stock	Mfr. Part No. 09670009971 Mouser Part No 617-09670009971	HARTING	D-Sub Tools & Hardware D-SUB ML SCRWLK 4-40 Learn More about HARTING backshell d sub connectors	Datasheet	5,650In Stock	$0.79 $0.672 $0.60 $0.57 View $0.509 $0.491 $0.461 $0.449 $0.418	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HEX EXTENDER KIT 4-40 UNC 09670019985 HARTING 1: $2.51 1,550In Stock 1,800Expected 2026/10/26	Mfr. Part No. 09670019985 Mouser Part No 617-09670019985	HARTING	D-Sub Tools & Hardware HEX EXTENDER KIT 4-40 UNC	Datasheet	1,550In Stock 1,800Expected 2026/10/26	$2.51 $2.14 $1.91 $1.81 View $1.67 $1.60	Min.: 1 Mult.: 1
D-Sub Tools & Hardware F screw lock for PCB 863001019TLF Amphenol Commercial Products 1: $0.52 13,664In Stock	Mfr. Part No. 863001019TLF Mouser Part No 649-863001019TLF	Amphenol Commercial Products	D-Sub Tools & Hardware F screw lock for PCB Learn More about Amphenol Commercial Products amphenol fci d sub io connectors	Datasheet	13,664In Stock	$0.52 $0.374 $0.344 $0.323 $0.309	Min.: 1 Mult.: 1
D-Sub Tools & Hardware Male screw lock 9 15 25 Pin & Socket 863005ATLF Amphenol Commercial Products 1: $1.26 4,506In Stock	Mfr. Part No. 863005ATLF Mouser Part No 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	4,506In Stock	$1.26 $1.14 $1.02 $0.966 View $0.906 $0.863 $0.821 $0.776 $0.758	Min.: 1 Mult.: 1
D-Sub Tools & Hardware CAP METAL 9 POS MALE W/SCREWS 165X16769X Amphenol CONEC 1: $3.40 296In Stock 1,050On Order	Mfr. Part No. 165X16769X Mouser Part No 706-165X16769X	Amphenol CONEC	D-Sub Tools & Hardware CAP METAL 9 POS MALE W/SCREWS Learn More about Amphenol CONEC conec dsub family	Datasheet	296In Stock 1,050On Order On Order Ship Dates Mfr. No: 165X16769X Stock: 296 Can Dispatch Immediately On Order: 500 Expected 2026/10/28 550 Expected 2026/11/26 Factory Lead Time: 9 Weeks	$3.40 $2.72 $2.67	Min.: 1 Mult.: 1

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