5331-00-989-4881

Find complete technical information, availability, and procurement data for: 5331-00-989-4881
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-989-4881

Item Name Code

47946

Assigment Date

01/01/1962 (64 years ago)

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes:cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

rubber butadiene-acrylonitrile class nbr or rubber polyester urethane class au or rubber polyether urethane class eu material, 0.100 inches minimum and 0.106 inches maximum cross-sectional height, 0.732 inches minimum and 0.742 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.

Cross-Sectional Height: 0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter: 0.732 inches minimum and 0.742 inches maximum
Material: rubber butadiene-acrylonitrile class nbr or rubber polyester urethane class au or rubber polyether urethane class eu

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
5330009894881	O-Ring
8621038	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-989-4881?

The FSCG of the NSN 5331-00-989-4881 is 5331

Does the NSN 5331-00-989-4881 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-989-4881 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 5331-00-989-4881 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-989-4881 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 5331-00-989-4881 was assigned to the Federal Catalog?

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