5310-01-251-6374

Find complete technical information, availability, and procurement data for: 5310-01-251-6374
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-251-6374

Item Name Code

15935

Assigment Date

03/21/1987 (39 years ago)

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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.

0.048 inches minimum and 0.052 inches maximum material thickness, 0.372 inches minimum and 0.374 inches maximum shoulder diameter, 0.047 inches minimum and 0.053 inches maximum shoulder height, 0.619 inches minimum and 0.624 inches maximum outside diameter, 0.263 inches minimum and 0.268 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.

Hole Diameter: 0.263 inches minimum and 0.268 inches maximum
Shoulder Diameter: 0.372 inches minimum and 0.374 inches maximum
Outside Diameter: 0.619 inches minimum and 0.624 inches maximum
Shoulder Height: 0.047 inches minimum and 0.053 inches maximum
Material Thickness: 0.048 inches minimum and 0.052 inches maximum
Material: copper alloy 642 overall
Material Document And Classification: qq-c-465 fed spec single material response overall
Style Designator: shouldered and recessed

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
7-311512112-5	Shouldered and Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-251-6374?

The FSCG of the NSN 5310-01-251-6374 is 5310

Does the NSN 5310-01-251-6374 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-01-251-6374 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 5310-01-251-6374 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-251-6374 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 5310-01-251-6374 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Mar 21, 1987