5310-01-331-6779

Find complete technical information, availability, and procurement data for: 5310-01-331-6779
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-331-6779

Item Name Code

13393

Assigment Date

12/22/1990 (35 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

0.008 inches nominal thickness, round peripheral shape style, 1.310 inches nominal hole diameter, rectangular cross-sectional shape style, round center hole 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: 1.310 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.008 inches nominal
Overall Diameter: 1.630 inches nominal
End Item Identification: afterbody section,torpedo mk50
Material: steel comp 301 or steel comp 302 or steel comp 316 overall
Material Document And Classification: mil-s-5059,type 301 mil spec 1st material response or mil-s-5059,type 302 mil spec 2nd material response or mil-s-5059,type 316 mil spec 3rd material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed 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
5820102-002	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-331-6779?

The FSCG of the NSN 5310-01-331-6779 is 5310

Does the NSN 5310-01-331-6779 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-331-6779 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 5310-01-331-6779 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-331-6779 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 5310-01-331-6779 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 22, 1990