5310-01-176-7021

Find complete technical information, availability, and procurement data for: 5310-01-176-7021
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-176-7021

Item Name Code

15933

Assigment Date

04/16/1984 (42 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.

1.052 inches minimum and 1.072 inches maximum outside diameter, 0.627 inches minimum and 0.631 inches maximum hole diameter, 90.0 degrees nominal recess angle, 0.778 inches minimum and 0.788 inches maximum recess diameter, 0.071 inches minimum and 0.085 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: 0.627 inches minimum and 0.631 inches maximum
Outside Diameter: 1.052 inches minimum and 1.072 inches maximum
Recess Diameter: 0.778 inches minimum and 0.788 inches maximum
Material Thickness: 0.071 inches minimum and 0.085 inches maximum
Recess Angle: 90.0 degrees nominal
Special Features: heat treatment, 260,000 psi min
Material: cobalt alloy overall
Material Document And Classification: ams 5758 assn std single material response or ams 5844 assn std single material response overall
Style Designator: 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
757086-10	Recessed Washer
HS4134C10	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-176-7021?

The FSCG of the NSN 5310-01-176-7021 is 5310

Does the NSN 5310-01-176-7021 have a Schedule B code assigned?

Yes, the Schedule B code is 8105900000

Does NSN 5310-01-176-7021 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 5310-01-176-7021 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-176-7021 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 5310-01-176-7021 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Apr 16, 1984