5310-01-280-6770

Find complete technical information, availability, and procurement data for: 5310-01-280-6770
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-280-6770

Item Name Code

13393

Assigment Date

06/13/1988 (38 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.210 inches nominal thickness, round peripheral shape style, rectangular cross-sectional shape style, 2.635 inches nominal hole diameter, 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: 2.635 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.210 inches nominal
Overall Diameter: 4.000 inches nominal
Heat Treatment: annealed
Material: steel comp 316 overall
Material Document And Classification: qq-s-766 fed spec single 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
5363358 PIECE 30	Flat Washer
5746875	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-280-6770?

The FSCG of the NSN 5310-01-280-6770 is 5310

Does the NSN 5310-01-280-6770 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-280-6770 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 5310-01-280-6770 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-280-6770 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 5310-01-280-6770 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Jun 13, 1988