GS521A11S

View detailed technical data, stock status, and sourcing information for: GS521A11S
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-543-3769

Item Name Code

18484

Assigment Date

01/01/1963 (63 years ago)

0.842 inches minimum and 0.857 inches maximum distance from engaging member to largest bearing surface of head, flat fillister turnlock stud head style, 0.298 inches minimum and 0.308 inches maximum diameter, stud assembly stud assembly style, spring securing device type

Product Characteristics

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

Diameter: 0.298 inches minimum and 0.308 inches maximum
Securing Device Type: spring
Turnlock Stud Head Style: flat fillister
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.842 inches minimum and 0.857 inches maximum
Eyelet Outside Diameter: 0.244 inches minimum and 0.250 inches maximum
Eyelet Length: 0.244 inches minimum and 0.250 inches maximum
Material Accommodated Thickness: 0.330 inches minimum and 0.359 inches maximum
Drive Type: slotted
Stud Head Height: 0.088 inches minimum and 0.098 inches maximum
Material: steel overall
Surface Treatment: passivate overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5325-00-716-8971	No Name Available	01/13/1967

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
2600-11S	Turnlock Fastener Stud Assembly
9167787	Turnlock Fastener Stud Assembly
FON20-7524-11	Turnlock Fastener Stud Assembly
GS521A11S	Turnlock Fastener Stud Assembly

FAQs

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

What is the FSCG of the NSN 5325-00-543-3769?

The FSCG of the NSN 5325-00-543-3769 is 5325

Does the NSN 5325-00-543-3769 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-543-3769 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 5325-00-543-3769 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-543-3769 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 5325-00-543-3769 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963