5331-00-988-5171

Find complete technical information, availability, and procurement data for: 5331-00-988-5171
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-988-5171

Item Name Code

47946

Assigment Date

01/01/1962 (64 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

0.070 inches nominal cross-sectional height, rubber fluorocarbon class fpm material, 75.0 shore durometer a nominal hardness rating, black color, 4.109 inches nominal center 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 Height: 0.070 inches nominal
Center Hole Diameter: 4.109 inches nominal
Hardness Rating: 75.0 shore durometer a nominal
Color: black
Material: rubber fluorocarbon class fpm
Material Document And Classification: ams-7278 assn std single material response

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
407005	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-988-5171?

The FSCG of the NSN 5331-00-988-5171 is 5331

Does the NSN 5331-00-988-5171 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-988-5171 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 5331-00-988-5171 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-988-5171 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 5331-00-988-5171 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962