5310-00-051-4270

Find complete technical information, availability, and procurement data for: 5310-00-051-4270
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-051-4270

Item Name Code

15931

Assigment Date

01/01/1961 (65 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 raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

0.080 inches minimum and 0.100 inches maximum material thickness, 0.396 inches minimum and 0.416 inches maximum hole diameter, steel comp 302 overall material, mil-s-7720,cond b mil spec single material response overall material document and classification, 0.615 inches minimum and 0.635 inches maximum outside diameter

Product Characteristics

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

Hole Diameter: 0.396 inches minimum and 0.416 inches maximum
Outside Diameter: 0.615 inches minimum and 0.635 inches maximum
Material Thickness: 0.080 inches minimum and 0.100 inches maximum
Material: steel comp 302 overall
Material Document And Classification: mil-s-7720,cond b mil spec single material response overall
Surface Treatment: passivate overall
Style Designator: convex

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
3G61021-101	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-00-051-4270?

The FSCG of the NSN 5310-00-051-4270 is 5310

Does the NSN 5310-00-051-4270 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-051-4270 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 5310-00-051-4270 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-051-4270 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 5310-00-051-4270 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961