GPW12120

View detailed technical data, stock status, and sourcing information for: GPW12120
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-534-6768

Item Name Code

15933

Assigment Date

01/01/1963 (63 years ago)

0.438 inches nominal recess diameter, 0.562 inches nominal outside diameter, 90.0 degrees nominal recess angle, 0.148 inches minimum and 0.152 inches maximum material thickness, 0.316 inches minimum and 0.318 inches maximum hole diameter

Product Characteristics

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

Hole Diameter: 0.316 inches minimum and 0.318 inches maximum
Outside Diameter: 0.562 inches nominal
Recess Diameter: 0.438 inches nominal
Material Thickness: 0.148 inches minimum and 0.152 inches maximum
Recess Angle: 90.0 degrees nominal
Material: steel overall
Style Designator: recessed

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-630-9888	No Name Available	04/14/1969

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
373948	Recessed Washer
47012B	Recessed Washer
47D18	Recessed Washer
513667	Recessed Washer
5346768	Recessed Washer
5A7068	Recessed Washer
859903	Recessed Washer
8UU0531	Recessed Washer
A1672	Recessed Washer
BB47809	Recessed Washer
GPW12120	Recessed Washer
GRC561	Recessed Washer
IGS99	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-534-6768?

The FSCG of the NSN 5310-00-534-6768 is 5310

Does the NSN 5310-00-534-6768 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-534-6768 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 5310-00-534-6768 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-534-6768 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 5310-00-534-6768 was assigned to the Federal Catalog?

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