5331-00-418-2279

Find complete technical information, availability, and procurement data for: 5331-00-418-2279
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-418-2279

Item Name Code

47946

Assigment Date

02/04/1972 (54 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.

5.650 inches nominal peripheral diameter, 0.269 inches minimum and 0.281 inches maximum cross-sectional height, -65.0 fahrenheit and 275.0 fahrenheit temp rating, 160 maximum elongation percentage, 5.077 inches minimum and 5.123 inches maximum 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.

Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.269 inches minimum and 0.281 inches maximum
Center Hole Diameter: 5.077 inches minimum and 5.123 inches maximum
Peripheral Diameter: 5.650 inches nominal
Elongation Percentage: 160 maximum
Hardness Rating: 65.0 shore durometer a minimum and 71.0 shore durometer a maximum
Material: rubber butadiene-acrylonitrile class nbr
Material Document And Classification: mil-p-25732 mil spec single material response
Departure From Cited Document: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
7122F11PC6-2	O-Ring
820-4446005-6-2	O-Ring
MS28775-430	O-Ring
N00271	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-418-2279?

The FSCG of the NSN 5331-00-418-2279 is 5331

Does NSN 5331-00-418-2279 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 5331-00-418-2279 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-418-2279 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 5331-00-418-2279 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Feb 4, 1972