5310-01-220-6520

Find complete technical information, availability, and procurement data for: 5310-01-220-6520
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-220-6520

Item Name Code

13393

Assigment Date

11/16/1985 (40 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

round peripheral shape style, round center hole shape style, rectangular cross-sectional shape style, 0.019 inches minimum and 0.030 inches maximum thickness, 0.400 inches minimum and 0.420 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.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.400 inches minimum and 0.420 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.019 inches minimum and 0.030 inches maximum
Overall Diameter: 0.615 inches minimum and 0.645 inches maximum
Material: plastic epoxy and glass overall
Material Document And Classification: mil-p-18177 mil spec 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
10110174	Flat Washer
4M116-04007	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-220-6520?

The FSCG of the NSN 5310-01-220-6520 is 5310

Does NSN 5310-01-220-6520 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 5310-01-220-6520 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-220-6520 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 5310-01-220-6520 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Nov 16, 1985