.hide-partial { max-height: none; } .show-more { display: none; }

4-40 Connectors

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Connectors

List Images

Results: 128

Applied Filters:

Thread Size = 4-40

Manufacturer

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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: S/0.934 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	S/0.934 S/0.814 S/0.743 S/0.693 View S/0.634 S/0.58 S/0.522 S/0.506 S/0.463	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SPECIAL ZINC SCREW 5206052-3 TE Connectivity 1: S/12.38 2,736In Stock	Mfr. Part # 5206052-3 Mouser Part # 571-5206052-3	TE Connectivity	D-Sub Tools & Hardware SPECIAL ZINC SCREW Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	2,736In Stock	S/12.38 S/11.09 S/10.28 S/9.89 View S/8.72 S/8.21 S/7.71 S/7.40 S/7.20	Min.: 1 Mult.: 1
Standard Circular Connector CeeLok FAS-T Receptacle Kit, PCB,NI,A 2102351-3 TE Connectivity / AMP 1: S/1,532.94 50In 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	50In Stock	S/1,532.94 S/1,384.13	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 12.9 173112-0597 Molex / FCT 1: S/5.02 450In Stock	Mfr. Part # 173112-0597 Mouser Part # 152-173112-0597	Molex / FCT	D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 12.9	Datasheet	450In Stock	S/5.02 S/4.24 S/4.09 S/3.80 View S/3.45 S/2.62 S/2.40 S/2.34 S/2.31	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 18.7 NM 173114-0170 Molex / FCT 1: S/19.85 213In Stock	Mfr. Part # 173114-0170 Mouser Part # 152-173114-0170	Molex / FCT	D-Sub Tools & Hardware FCT SCREW SET 4-40/4-40 18.7 NM	Datasheet	213In Stock	S/19.85 S/18.06 S/17.13 S/16.74 View S/14.17 S/13.90 S/11.99 S/11.37 S/10.94	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O MOUNTINGS SCREWS AND SETS 7000057926 3M Electronic Specialty 1: S/28.65 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	S/28.65 S/25.92 S/24.48 S/22.42 View S/19.00 S/18.65 S/18.06 S/17.01 S/16.66	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT 3342-4-KIT 3M Electronic Solutions Division 1: S/10.04 25In 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	25In Stock	S/10.04 S/9.15 S/8.68 S/8.06 View S/7.05 S/6.85 S/5.96 S/5.57 S/5.33	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB9/HD15 METAL SDC9AG L-Com 1: S/55.43 739In 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	739In Stock	S/55.43 S/49.75 S/46.36 S/44.14 View S/41.92 S/38.85 S/37.64 S/35.11 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FCT THMB SCREW 4-40UNC 55.6 W/CAP 173112-0426 Molex / FCT 1: S/8.21 1,574In Stock	Mfr. Part # 173112-0426 Mouser Part # 152-173112-0426	Molex / FCT	D-Sub Tools & Hardware FCT THMB SCREW 4-40UNC 55.6 W/CAP	Datasheet	1,574In Stock	S/8.21 S/7.01 S/6.27 S/5.92 View S/5.49 S/4.40 S/4.24 S/4.13	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 10PACK FEMALE SCREW L17-D20418-2-TX Amphenol Commercial Products 1: S/23.63 577In Stock	Mfr. Part # L17-D20418-2-TX Mouser Part # 523-17-D20418-2-TX	Amphenol Commercial Products	D-Sub Tools & Hardware 10PACK FEMALE SCREW	Datasheet	577In Stock	S/23.63 S/20.47 S/20.09 S/18.65 S/17.98	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREW 4-40 5.59mm 5205979-1 TE Connectivity / AMP 1: S/3.97 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	S/3.97 S/3.37 S/3.01 S/2.86 View S/2.69 S/2.56 S/2.38 S/2.23 S/2.10	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .425" 5229996-2 TE Connectivity 1: S/3.31 3,780In Stock	Mfr. Part # 5229996-2 Mouser Part # 571-5229996-2	TE Connectivity	D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .425"	Datasheet	3,780In Stock	S/3.31 S/2.83 S/2.52 S/2.40 View S/2.25 S/2.14 S/1.96 S/1.84 S/1.77	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FEMALE SCREWLOCK 5748271-3 TE Connectivity 1: S/18.72 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	S/18.72 S/16.74 S/15.96 S/15.34 View S/14.60 S/13.70 S/13.47 S/12.69 S/11.91	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK FOR STRT VERSION 09660009972 HARTING 1: S/4.13 5,188In Stock	Mfr. Part # 09660009972 Mouser Part # 617-09-66-000-9972	HARTING	D-Sub Tools & Hardware SCREWLOCK FOR STRT VERSION	Datasheet	5,188In Stock	S/4.13 S/3.79 S/3.38 S/3.22 View S/2.98 S/2.87 S/2.73 S/2.56 S/2.54	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK UNC 13MM 2pc=1 connector 09670009922 HARTING 2: S/4.36 14,790In Stock	Mfr. Part # 09670009922 Mouser Part # 617-09-67-000-9922	HARTING	D-Sub Tools & Hardware SCREWLOCK UNC 13MM 2pc=1 connector	Datasheet	14,790In Stock	S/4.36 S/3.71 S/3.31 S/3.15 View S/2.91 S/2.81 S/2.67 S/2.56 S/2.48	Min.: 2 Mult.: 2
D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 13MM 09670009924 HARTING 1: S/4.98 8,724In Stock	Mfr. Part # 09670009924 Mouser Part # 617-09-67-000-9924	HARTING	D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 13MM	Datasheet	8,724In Stock	S/4.98 S/4.36 S/4.05 S/3.83 View S/3.55 S/3.43 S/3.27 S/3.12	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK FOR R/A VERSION 09670009972 HARTING 1: S/2.37 27,931In Stock	Mfr. Part # 09670009972 Mouser Part # 617-09-67-000-9972	HARTING	D-Sub Tools & Hardware SCREWLOCK FOR R/A VERSION	Datasheet	27,931In Stock	S/2.37 S/2.01 S/1.79 S/1.70 View S/1.52 S/1.43 S/1.34 S/1.32 S/1.22	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 18MM 09670009973 HARTING 1: S/5.02 4,479In Stock	Mfr. Part # 09670009973 Mouser Part # 617-09-67-000-9973	HARTING	D-Sub Tools & Hardware FML SCREW LOCK 4-40 THRD 18MM	Datasheet	4,479In Stock	S/5.02 S/4.28 S/3.82 S/3.64 View S/3.37 S/3.25 S/3.09 S/3.08 S/2.90	Min.: 1 Mult.: 1
D-Sub Tools & Hardware D-SUB ML SCRWLK 4-40 09670009971 HARTING 1: S/3.00 5,812In 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	5,812In Stock	S/3.00 S/2.53 S/2.26 S/2.15 View S/1.92 S/1.91 S/1.79 S/1.75 S/1.60	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HEX EXTENDER KIT 4-40 UNC 09670019985 HARTING 1: S/9.77 1,550In Stock 1,800Expected 10/23/2026	Mfr. Part # 09670019985 Mouser Part # 617-09670019985	HARTING	D-Sub Tools & Hardware HEX EXTENDER KIT 4-40 UNC	Datasheet	1,550In Stock 1,800Expected 10/23/2026	S/9.77 S/8.33 S/7.43 S/7.05 View S/6.54 S/6.27 S/5.61	Min.: 1 Mult.: 1
D-Sub Tools & Hardware Male screw lock 9 15 25 Pin & Socket 863005ATLF Amphenol Commercial Products 1: S/4.87 4,848In 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	4,848In Stock	S/4.87 S/4.44 S/3.97 S/3.76 View S/3.53 S/3.36 S/3.20 S/2.96 S/2.94	Min.: 1 Mult.: 1
D-Sub Tools & Hardware CAP METAL 9 POS MALE W/SCREWS 165X16769X Amphenol CONEC 1: S/13.20 596In Stock 500Expected 9/23/2026	Mfr. Part # 165X16769X Mouser Part # 706-165X16769X	Amphenol CONEC	D-Sub Tools & Hardware CAP METAL 9 POS MALE W/SCREWS Learn More about Amphenol CONEC conec dsub family	Datasheet	596In Stock 500Expected 9/23/2026	S/13.20 S/10.59 S/10.08 S/9.93 View S/8.21 S/7.90	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB9 MTLIZED LOW PROFILE SDRS09HOT L-Com 1: S/48.62 571In Stock 984On Order New At Mouser	Mfr. Part # SDRS09HOT Mouser Part # 17-SDRS09HOT New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB9 MTLIZED LOW PROFILE	Datasheet	571In Stock 984On Order On Order Ship Dates Mfr. #: SDRS09HOT Stock: 571 Can Ship Immediately On Order: 323 Expected 9/25/2026 661 Expected 12/11/2026 Factory Lead-Time: 17 Weeks	S/48.62 S/41.30 S/38.69 S/36.86 View S/35.07 S/32.89 S/31.33 S/29.82	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FEM SCREWLOCK 4-40 177619-1 TE Connectivity / AMP 1: S/2.88 5,212In Stock	Mfr. Part # 177619-1 Mouser Part # 571-177619-1	TE Connectivity / AMP	D-Sub Tools & Hardware FEM SCREWLOCK 4-40 Learn More about TE Connectivity / AMP te connectivity amplimite military dsub connectors	Datasheet	5,212In Stock	S/2.88 S/2.44 S/2.18 S/1.97 View S/1.79 S/1.61 S/1.56 S/1.49 S/1.42	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK W/SPRING WASHER 178877-1 TE Connectivity / AMP 1: S/2.49 16,132In Stock	Mfr. Part # 178877-1 Mouser Part # 571-178877-1	TE Connectivity / AMP	D-Sub Tools & Hardware SCREWLOCK W/SPRING WASHER Learn More about TE Connectivity / AMP te connectivity amplimite military dsub connectors	Datasheet	16,132In Stock	S/2.49 S/2.37 S/2.12 S/2.02 View S/1.80 S/1.75 S/1.62	Min.: 1 Mult.: 1

4-40 Connectors

Types of Connectors

Applied Filters:

Customer Service Office

Company

Resources

Support