BACS21Y12R

View detailed technical data, stock status, and sourcing information for: BACS21Y12R
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-117-4813

Item Name Code

18484

Assigment Date

10/11/1968 (57 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.

0.872 inches minimum and 0.887 inches maximum distance from engaging member to largest bearing surface of head, 0.244 inches minimum and 0.250 inches maximum eyelet outside diameter, fillister turnlock stud head style, stud assembly stud assembly style, 0.500 inches nominal diameter

Product Characteristics

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

Diameter: 0.500 inches nominal
Turnlock Stud Head Style: fillister
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.872 inches minimum and 0.887 inches maximum
Eyelet Outside Diameter: 0.244 inches minimum and 0.250 inches maximum
Eyelet Length: 0.322 inches nominal
Material Accommodated Thickness: 0.330 inches minimum and 0.389 inches maximum
Drive Type: cross recess
Material: steel overall
Surface Treatment: cadmium and chromate 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
1126004-12	Turnlock Fastener Stud Assembly
26S8-12	Turnlock Fastener Stud Assembly
5325PL1575893	Turnlock Fastener Stud Assembly
BACS21EE12R	Turnlock Fastener Stud Assembly
BACS21Y12R	Turnlock Fastener Stud Assembly
ES441-59	Turnlock Fastener Stud Assembly

FAQs

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

What is the FSCG of the NSN 5325-00-117-4813?

The FSCG of the NSN 5325-00-117-4813 is 5325

Does the NSN 5325-00-117-4813 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-117-4813 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 5325-00-117-4813 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-117-4813 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 5325-00-117-4813 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Oct 11, 1968