GS521A9

View detailed technical data, stock status, and sourcing information for: GS521A9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-489-0928

Item Name Code

18484

Assigment Date

01/01/1963 (63 years ago)

stud assembly stud assembly style, 0.782 inches minimum and 0.797 inches maximum distance from engaging member to largest bearing surface of head, 0.298 inches minimum and 0.308 inches maximum diameter, spring securing device type, flat fillister turnlock stud head style

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: 0.782 inches minimum and 0.797 inches maximum
Eyelet Outside Diameter: 0.244 inches minimum and 0.250 inches maximum
Eyelet Length: 0.322 inches nominal
Material Accommodated Thickness: 0.240 inches minimum and 0.299 inches maximum
Drive Type: slotted
Material: steel overall
Surface Treatment: cadmium and chromate overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5325-00-068-3398	No Name Available	03/11/1966
5325-00-456-5516	No Name Available	07/09/1972
5307-00-879-6421	No Name Available	03/01/1978

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
10630050-21	Turnlock Fastener Stud Assembly
13211E0579-9	Turnlock Fastener Stud Assembly
238-001-009	Turnlock Fastener Stud Assembly
2600-9	Turnlock Fastener Stud Assembly
280971-09	Turnlock Fastener Stud Assembly
C 3747 609 -A	Turnlock Fastener Stud Assembly
C22123Z1000C9	Turnlock Fastener Stud Assembly
C37476090A	Turnlock Fastener Stud Assembly
GS521A9	Turnlock Fastener Stud Assembly

FAQs

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

What is the FSCG of the NSN 5325-00-489-0928?

The FSCG of the NSN 5325-00-489-0928 is 5325

Does the NSN 5325-00-489-0928 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-489-0928 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 5325-00-489-0928 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-489-0928 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 5325-00-489-0928 was assigned to the Federal Catalog?

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