BACS21X3CW

View detailed technical data, stock status, and sourcing information for: BACS21X3CW
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-085-4126

Item Name Code

18484

Assigment Date

12/29/1967 (58 years ago)

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stud(s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

0.850 inches minimum and 0.890 inches maximum head length, 0.341 inches minimum and 0.348 inches maximum eyelet outside diameter, flat countersunk wing turnlock stud head style, 0.483 inches minimum and 0.498 inches maximum distance from engaging member to largest bearing surface of head, stud assembly stud assembly style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Head Length: 0.850 inches minimum and 0.890 inches maximum
Turnlock Stud Head Style: flat countersunk wing
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.483 inches minimum and 0.498 inches maximum
Eyelet Outside Diameter: 0.341 inches minimum and 0.348 inches maximum
Eyelet Length: 0.257 inches nominal
Material Accommodated Thickness: 0.111 inches minimum and 0.140 inches maximum
Material: steel comp 302 ejector spring
Material: steel comp 302 head
Material: steel comp 302 pin
Material: steel comp 302 stud
Material: steel comp 305 eyelet
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
4002-3SW	Turnlock Fastener Stud Assembly
BACS21X3CW	Turnlock Fastener Stud Assembly

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5325-00-085-4126?

The FSCG of the NSN 5325-00-085-4126 is 5325

Does the NSN 5325-00-085-4126 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-085-4126 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5325-00-085-4126 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-085-4126 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5325-00-085-4126 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Dec 29, 1967