5331-00-287-6409

Find complete technical information, availability, and procurement data for: 5331-00-287-6409
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-287-6409

Item Name Code

47946

Assigment Date

09/17/1973 (52 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

1.479 inches minimum and 1.499 inches maximum center hole diameter, 70.0 shore durometer a nominal hardness rating, rubber butadiene-acrylonitrile class nbr material, 0.067 inches minimum and 0.073 inches maximum cross-sectional height, 1.629 inches nominal outside diameter

Product Characteristics

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

Outside Diameter: 1.629 inches nominal
Cross-Sectional Height: 0.067 inches minimum and 0.073 inches maximum
Center Hole Diameter: 1.479 inches minimum and 1.499 inches maximum
Hardness Rating: 70.0 shore durometer a nominal
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
AS3551-029	O-Ring
MS9241-029	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-287-6409?

The FSCG of the NSN 5331-00-287-6409 is 5331

Does the NSN 5331-00-287-6409 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-287-6409 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 5331-00-287-6409 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-287-6409 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 5331-00-287-6409 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Sep 17, 1973