5331-01-243-9020

Find complete technical information, availability, and procurement data for: 5331-01-243-9020
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-243-9020

Item Name Code

47946

Assigment Date

11/02/1986 (39 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.

0.176 inches nominal outside diameter, 0.052 inches minimum and 0.060 inches maximum center hole diameter, 200 maximum elongation percentage, 0.057 inches minimum and 0.063 inches maximum cross-sectional height, 65.0 shore durometer a minimum and 75.0 shore durometer a maximum hardness rating

Product Characteristics

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

Outside Diameter: 0.176 inches nominal
Cross-Sectional Height: 0.057 inches minimum and 0.063 inches maximum
Center Hole Diameter: 0.052 inches minimum and 0.060 inches maximum
Elongation Percentage: 200 maximum
Hardness Rating: 65.0 shore durometer a minimum and 75.0 shore durometer a maximum
Material: rubber butadiene-acrylonitrile class nbr

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
2661058B003	O-Ring
MS29513-003	O-Ring
MS29561-003	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-243-9020?

The FSCG of the NSN 5331-01-243-9020 is 5331

Does the NSN 5331-01-243-9020 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-243-9020 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 5331-01-243-9020 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-243-9020 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 5331-01-243-9020 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Nov 2, 1986