5310-00-921-4564

Find complete technical information, availability, and procurement data for: 5310-00-921-4564
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-921-4564

Item Name Code

13393

Assigment Date

02/02/1966 (60 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.

rectangular cross-sectional shape style, 0.375 inches minimum and 0.376 inches maximum hole diameter, round center hole shape style, 0.058 inches minimum and 0.060 inches maximum thickness, round peripheral 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: 0.375 inches minimum and 0.376 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.058 inches minimum and 0.060 inches maximum
Overall Diameter: 0.550 inches minimum and 0.570 inches maximum
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum
Surface Finish: 63.0 microinches inner
Material: steel comp 410 overall
Material Document And Classification: ams 5613 assn std single material 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
2003T27P01	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-921-4564?

The FSCG of the NSN 5310-00-921-4564 is 5310

Does the NSN 5310-00-921-4564 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-921-4564 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 5310-00-921-4564 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-921-4564 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 5310-00-921-4564 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Feb 2, 1966