12S1-20-1AD

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-173-3776

Item Name Code

18484

Assigment Date

03/05/1984 (42 years ago)

fillister turnlock stud head style, 0.294 inches minimum and 0.306 inches maximum diameter, 0.564 inches nominal distance from engaging member to largest bearing surface of head, stud assembly stud assembly style, washer 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: 0.294 inches minimum and 0.306 inches maximum
Securing Device Type: washer
Turnlock Stud Head Style: fillister
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.564 inches nominal
Eyelet Outside Diameter: 0.344 inches minimum and 0.364 inches maximum
Stud Diameter: 0.122 inches minimum and 0.128 inches maximum
Material Accommodated Thickness: 0.260 inches minimum and 0.274 inches maximum
Drive Type: slotted
Material: steel comp 302 ejector spring
Material: steel comp 302 stud
Material: steel comp 305 eyelet
Material: steel corrosion resisting pin
Material Document And Classification: qq-s-766 fed spec single material response eyelet
Material Document And Classification: qq-w-423 fed spec single material response or aisi comp 321 assn std single material response or mil-w-46078 mil spec single material response pin
Material Document And Classification: qq-w-423 fed spec single material response ejector spring
Material Document And Classification: qq-w-423 fed spec single material response stud
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: mil-c-13924,cl 3 mil 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
12S1-20-1AD	Turnlock Fastener Stud Assembly
12S1-20-1B	Turnlock Fastener Stud Assembly
12S1-20-1BE	Turnlock Fastener Stud Assembly
9M836-20	Turnlock Fastener Stud Assembly
9M836C20	Turnlock Fastener Stud Assembly

FAQs

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

What is the FSCG of the NSN 5325-01-173-3776?

The FSCG of the NSN 5325-01-173-3776 is 5325

Does the NSN 5325-01-173-3776 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-01-173-3776 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 5325-01-173-3776 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-173-3776 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 5325-01-173-3776 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Mar 5, 1984