5331-00-949-5494

Find complete technical information, availability, and procurement data for: 5331-00-949-5494
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-949-5494

Item Name Code

47946

Assigment Date

04/20/1966 (60 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

-85.0 fahrenheit and 401.0 fahrenheit temp rating, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 5.336 inches minimum and 5.382 inches maximum center hole diameter, 5.637 inches nominal outside diameter, 125 maximum elongation percentage

Product Characteristics

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

Outside Diameter: 5.637 inches nominal
Temp Rating: -85.0 fahrenheit and 401.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 5.336 inches minimum and 5.382 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 70.0 shore durometer a nominal
Material: rubber silicone class q

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
AS3582-253	O-Ring
MS9068-253	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-949-5494?

The FSCG of the NSN 5331-00-949-5494 is 5331

Does the NSN 5331-00-949-5494 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-949-5494 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 5331-00-949-5494 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-949-5494 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 5331-00-949-5494 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Apr 20, 1966