3FT31

View detailed technical data, stock status, and sourcing information for: 3FT31
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-269-5903

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

round peripheral shape style, round center hole shape style, 0.125 inches nominal thickness, 1.281 inches minimum and 1.312 inches maximum hole diameter, rectangular cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 1.281 inches minimum and 1.312 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.125 inches nominal
Overall Diameter: 2.625 inches nominal
Material: steel comp 1010 or steel comp 1020 overall
Material Document And Classification: sae assn std all material responses overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-209-4055	No Name Available	06/01/1976

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
1K4699	Flat Washer
365948015	Flat Washer
3FT31	Flat Washer
5189F	Flat Washer
8A7222	Flat Washer
BB22254	Flat Washer
P24068	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-269-5903?

The FSCG of the NSN 5310-00-269-5903 is 5310

Does the NSN 5310-00-269-5903 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-269-5903 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 5310-00-269-5903 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-269-5903 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 5310-00-269-5903 was assigned to the Federal Catalog?

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