.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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
D-Sub Tools & Hardware FCT Spring Clip w/ Screw Lock for Size 1-4 D-Sub, #4-40 Thread, Zinc-plated Steel 172704-0122 Molex 1: $1.19 8,009In Stock 11,000Expected 21/12/2026	Mfr. Part No. 172704-0122 Mouser Part No 152-F-SCHV-1	Molex	D-Sub Tools & Hardware FCT Spring Clip w/ Screw Lock for Size 1-4 D-Sub, #4-40 Thread, Zinc-plated Steel	Datasheet	8,009In Stock 11,000Expected 21/12/2026	$1.19 $1.01 $0.899 $0.856 View $0.802 $0.763 $0.727 $0.652	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB25/HD44 METAL SDC25AG L-Com 1: $19.17 175In Stock New At Mouser	Mfr. Part No. SDC25AG Mouser Part No 17-SDC25AG New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB25/HD44 METAL	Datasheet	175In Stock	$19.17 $16.82 $15.77 $15.02 View $13.91 $13.41 $12.77 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB15 METAL RIGHT ANG SDRA15AG L-Com 1: $22.97 108In Stock 674On Order New At Mouser	Mfr. Part No. SDRA15AG Mouser Part No 17-SDRA15AG New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB15 METAL RIGHT ANG	Datasheet	108In Stock 674On Order On Order Ship Dates Mfr. No: SDRA15AG Stock: 108 Can Dispatch Immediately On Order: 329 Pending 345 Expected 01/01/2027 Factory Lead Time: 18 Weeks	$22.97 $19.52 $18.30 $17.43 View $16.21 $16.01 $15.24	Min.: 1 Mult.: 1
D-Sub Tools & Hardware HOOD DB9 MTLIZED LOW PROFILE SDRS09HOT L-Com 1: $11.96 1,551In Stock New At Mouser	Mfr. Part No. SDRS09HOT Mouser Part No 17-SDRS09HOT New At Mouser	L-Com	D-Sub Tools & Hardware HOOD DB9 MTLIZED LOW PROFILE	Datasheet	1,551In Stock	$11.96 $10.61 $9.94 $9.47 View $8.94 $8.34 $7.99 $7.59	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FEM SCREWLOCK 4-40 177619-1 TE Connectivity / AMP 1: $0.74 5,055In Stock	Mfr. Part No. 177619-1 Mouser Part No 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	5,055In Stock	$0.74 $0.628 $0.561 $0.486 View $0.438 $0.401 $0.399 $0.389	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCREWLOCK W/SPRING WASHER 178877-1 TE Connectivity / AMP 1: $0.58 17,792In Stock	Mfr. Part No. 178877-1 Mouser Part No 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	17,792In Stock	$0.58 $0.578 $0.525 $0.502 View $0.45 $0.416	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 UNC Screw Retnr Kit Amplimite HD 1857211-3 TE Connectivity 1: $4.50 4,010In Stock	Mfr. Part No. 1857211-3 Mouser Part No 571-1857211-3	TE Connectivity	D-Sub Tools & Hardware 4-40 UNC Screw Retnr Kit Amplimite HD Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	4,010In Stock	$4.50 $3.85 $3.44 $3.27 View $3.02 $2.91 $2.61 $2.44 $2.38	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FEMALE SCRWLCK DSUB 5205818-3 TE Connectivity 1: $0.83 18,606In Stock 18,000Expected 23/11/2026	Mfr. Part No. 5205818-3 Mouser Part No 571-5205818-3	TE Connectivity	D-Sub Tools & Hardware FEMALE SCRWLCK DSUB Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	18,606In Stock 18,000Expected 23/11/2026	$0.83 $0.701 $0.623 $0.596 View $0.532 $0.507 $0.475	Min.: 1 Mult.: 1
D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK 5207953-2 TE Connectivity 1: $0.74 10,625In Stock	Mfr. Part No. 5207953-2 Mouser Part No 571-5207953-2	TE Connectivity	D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	10,625In Stock	$0.74 $0.625 $0.559 $0.532 View $0.475 $0.451 $0.417	Min.: 1 Mult.: 1
D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK 5207953-3 TE Connectivity 1: $0.38 48,464In Stock	Mfr. Part No. 5207953-3 Mouser Part No 571-5207953-3	TE Connectivity	D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	48,464In Stock	$0.38 $0.325 $0.291 $0.242 View $0.218 $0.182 $0.174 $0.171 $0.17	Min.: 1 Mult.: 1
D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK 5748270-2 TE Connectivity / AMP 1: $1.46 4,022In Stock 30,650On Order	Mfr. Part No. 5748270-2 Mouser Part No 571-5748270-2	TE Connectivity / AMP	D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK Learn More about TE Connectivity / AMP te connectivity amplimite military dsub connectors	Datasheet	4,022In Stock 30,650On Order On Order Ship Dates Mfr. No: 5748270-2 Stock: 4,022 Can Dispatch Immediately On Order: 10,000 Expected 29/03/2027 20,000 Expected 12/04/2027 650 TBD Factory Lead Time: 25 Weeks	$1.46 $1.28 $1.15 $1.09 View $1.02 $0.948 $0.85 $0.82 $0.781	Min.: 1 Mult.: 1
D-Sub Tools & Hardware FEMALE SCREWLOCK 5748271-1 TE Connectivity 1: $3.14 1,024In Stock	Mfr. Part No. 5748271-1 Mouser Part No 571-5748271-1	TE Connectivity	D-Sub Tools & Hardware FEMALE SCREWLOCK Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	1,024In Stock	$3.14 $2.88 $2.76 $2.56 View $2.40 $2.37 $2.27 $2.21	Min.: 1 Mult.: 1
D-Sub Tools & Hardware LATCHING BLOCK KIT 745403-8 TE Connectivity / AMP 1: $5.22 1,244In Stock	Mfr. Part No. 745403-8 Mouser Part No 571-7454038	TE Connectivity / AMP	D-Sub Tools & Hardware LATCHING BLOCK KIT Learn More about TE Connectivity / AMP te connectivity amplimite military dsub connectors	Datasheet	1,244In Stock	$5.22 $4.83 $4.79 $4.51 View $4.17 $3.93 $3.69 $3.41	Min.: 1 Mult.: 1
D-Sub Tools & Hardware CAP METAL 9 POS MALE W/SCREWS 165X16769X Amphenol CONEC 1: $3.39 773In Stock 1,550Expected 26/02/2027	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	773In Stock 1,550Expected 26/02/2027	$3.39 $2.72 $2.59 $2.55 View $2.11 $2.03	Min.: 1 Mult.: 1
D-Sub Tools & Hardware D SUB-FEMALE SCREW LOCK ASSBLY KIT L17D204182 Amphenol Commercial Products 1: $1.32 53In Stock 500Expected 02/12/2026	Mfr. Part No. L17D204182 Mouser Part No 523-L17D204182	Amphenol Commercial Products	D-Sub Tools & Hardware D SUB-FEMALE SCREW LOCK ASSBLY KIT	Datasheet	53In Stock 500Expected 02/12/2026	$1.32 $1.18 $1.17 $1.11 View $1.01 $0.878 $0.801	Min.: 1 Mult.: 1
D-Sub Tools & Hardware D-SUB ACCESSORY L17D2041921X Amphenol Commercial Products 1: $6.98 28In Stock 200Expected 12/11/2026	Mfr. Part No. L17D2041921X Mouser Part No 523-L17D2041921X	Amphenol Commercial Products	D-Sub Tools & Hardware D-SUB ACCESSORY	Datasheet	28In Stock 200Expected 12/11/2026	$6.98 $6.00 $5.63 $5.36 View $4.86 $4.41 $4.32 $4.17 $4.12	Min.: 1 Mult.: 1
Heavy Duty Power Connectors SCREW PAN HEAD #4 1766829-1 TE Connectivity / AMP 1: $0.16 119In Stock	Mfr. Part No. 1766829-1 Mouser Part No 571-1766829-1	TE Connectivity / AMP	Heavy Duty Power Connectors SCREW PAN HEAD #4	Datasheet	119In Stock	$0.16 $0.145 $0.132 $0.122 View $0.111 $0.102 $0.096 $0.094 $0.089	Min.: 1 Mult.: 1
D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK 5745563-4 TE Connectivity 1: $3.72 581In Stock	Mfr. Part No. 5745563-4 Mouser Part No 571-5745563-4	TE Connectivity	D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK Learn More about TE Connectivity amplimite military dsub connectors	Datasheet	581In Stock	$3.72 $3.17 $2.83 $2.69 View $2.52 $2.39 $2.21 $2.10 $2.08	Min.: 1 Mult.: 1
D-Sub Tools & Hardware D SUB-SCREW-LOCK FE-UNC/M3-13MM-NI 09670019954 HARTING 1: $0.61 1,945In Stock 3,400Expected 27/11/2026	Mfr. Part No. 09670019954 Mouser Part No 617-09670019954	HARTING	D-Sub Tools & Hardware D SUB-SCREW-LOCK FE-UNC/M3-13MM-NI	Datasheet	1,945In Stock 3,400Expected 27/11/2026	$0.61 $0.517 $0.461 $0.438 View $0.391 $0.373 $0.362 $0.345 $0.337	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 FMALE SCREWLCK NICKEL PLATED 970-RTHUMBSCREW NorComp 1: $0.81 2,140In Stock	Mfr. Part No. 970-RTHUMBSCREW Mouser Part No 636-970-RTHUMBSCREW	NorComp	D-Sub Tools & Hardware 4-40 FMALE SCREWLCK NICKEL PLATED	Datasheet	2,140In Stock	$0.81 $0.704 $0.624 $0.58 View $0.53 $0.43 $0.394 $0.382 $0.363	Min.: 1 Mult.: 1
D-Sub Tools & Hardware DSUB FEM SCREW LOCK 863001017TLF Amphenol Commercial Products 1: $0.73 541In Stock 3,000Expected 01/01/2027	Mfr. Part No. 863001017TLF Mouser Part No 649-863001017TLF	Amphenol Commercial Products	D-Sub Tools & Hardware DSUB FEM SCREW LOCK	Datasheet	541In Stock 3,000Expected 01/01/2027	$0.73 $0.621 $0.554 $0.528 View $0.471 $0.447 $0.414 $0.397 $0.391	Min.: 1 Mult.: 1
D-Sub Tools & Hardware Male screw lock 50 Socket 863003ATLF Amphenol Commercial Products 1: $0.80 555In Stock	Mfr. Part No. 863003ATLF Mouser Part No 649-863003ATLF	Amphenol Commercial Products	D-Sub Tools & Hardware Male screw lock 50 Socket Learn More about Amphenol Commercial Products amphenol fci d sub io connectors	Datasheet	555In Stock	$0.80 $0.718 $0.701 $0.674 View $0.644 $0.58 $0.527 $0.507 $0.49	Min.: 1 Mult.: 1
D-Sub Tools & Hardware DSUB FEM SCREW LOCK 86552153TLF Amphenol Commercial Products 1: $0.96 1,903Expected 09/11/2026	Mfr. Part No. 86552153TLF Mouser Part No 649-86552153TLF	Amphenol Commercial Products	D-Sub Tools & Hardware DSUB FEM SCREW LOCK Learn More about Amphenol Commercial Products amphenol fci d sub io connectors	Datasheet	1,903Expected 09/11/2026	$0.96 $0.813 $0.78 $0.73 View $0.664 $0.602 $0.573 $0.519	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 9P CAP W/LANYRD FOR MALE 16-000380 Amphenol CONEC 1: $12.86 113In Stock	Mfr. Part No. 16-000380 Mouser Part No 706-16-000380	Amphenol CONEC	D-Sub Tools & Hardware 9P CAP W/LANYRD FOR MALE	Datasheet	113In Stock	$12.86 $10.94 $10.25 $9.96 View $9.48 $7.87 $7.58 $6.60 Quote	Min.: 1 Mult.: 1
Standard Circular Connector CeeLok FAS-T Receptacle Kit, PCB,NI,A 2102351-3 TE Connectivity / AMP 1: $352.93 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	$352.93 $340.89 $331.91	Min.: 1 Mult.: 1

4-40 Connectors

Types of Connectors

Applied Filters:

Customer Service Office

Company

Resources

Support

Share This

4-40 Connectors

Types of Connectors

Applied Filters: