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MS28775-130

View detailed technical data, stock status, and sourcing information for: MS28775-130

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MS28775-130
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-01-007-8595
Item Name Code
47946
Assigment Date
08/10/1975 (51 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

0.100 inches minimum and 0.106 inches maximum cross-sectional height, 75.0 shore durometer a nominal hardness rating, rubber butadiene-acrylonitrile class nbr material, 1.797 inches minimum and 1.839 inches maximum outside diameter, 1.602 inches minimum and 1.622 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.

Outside Diameter
1.797 inches minimum and 1.839 inches maximum
Cross-Sectional Height
0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter
1.602 inches minimum and 1.622 inches maximum
Hardness Rating
75.0 shore durometer a nominal
Material
rubber butadiene-acrylonitrile class nbr

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5330-00-297-6944 No Name Available 06/01/1999
5330-00-599-2117 No Name Available 01/01/1997
5331-01-058-0778 No Name Available 01/01/2023
5330-01-105-8884 No Name Available 09/01/1982
5331-01-277-1333 No Name Available 06/01/2021

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FAQs

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

What is the FSCG of the NSN 5331-01-007-8595?
The FSCG of the NSN 5331-01-007-8595 is 5331
Does the NSN 5331-01-007-8595 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-01-007-8595 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 5331-01-007-8595 contain precious materials?
Precious metal content is unknown
Does NSN 5331-01-007-8595 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 5331-01-007-8595 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sun, Aug 10, 1975

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