5310-01-373-0755

Find complete technical information, availability, and procurement data for: 5310-01-373-0755
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-373-0755

Item Name Code

15930

Assigment Date

03/26/1993 (33 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.

0.298 inches minimum and 0.303 inches maximum hole diameter, 0.312 inches minimum and 0.322 inches maximum radius, 0.020 inches minimum and 0.030 inches maximum recess depth, 0.495 inches minimum and 0.505 inches maximum outside diameter, 0.070 inches minimum and 0.080 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.298 inches minimum and 0.303 inches maximum
Radius: 0.312 inches minimum and 0.322 inches maximum
Outside Diameter: 0.495 inches minimum and 0.505 inches maximum
Recess Depth: 0.020 inches minimum and 0.030 inches maximum
Material Thickness: 0.070 inches minimum and 0.080 inches maximum
Surface Finish: 63.0 microinches bottom
Special Features: dry film lubrication
Material: iron alloy 660 overall
Material Document And Classification: ams 5737 assn std single material response overall
Style Designator: concave

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
1450M88P01	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-01-373-0755?

The FSCG of the NSN 5310-01-373-0755 is 5310

Does the NSN 5310-01-373-0755 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-373-0755 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 5310-01-373-0755 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-373-0755 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 5310-01-373-0755 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Mar 26, 1993