MS28755-252

View detailed technical data, stock status, and sourcing information for: MS28755-252
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-067-3446

Item Name Code

47946

Assigment Date

10/28/1978 (47 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

75.0 shore durometer a nominal hardness rating, 5.211 inches minimum and 5.257 inches maximum center hole diameter, rubber butadiene-acrylonitrile class nbr material, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 5.469 inches minimum and 5.555 inches maximum 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: 5.469 inches minimum and 5.555 inches maximum
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 5.211 inches minimum and 5.257 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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-009-0543	No Name Available	03/01/1984
5330-00-054-6888	No Name Available	03/01/1984
5330-00-101-7146	No Name Available	11/01/1988
5330-00-145-5070	No Name Available	07/01/1989
5331-00-599-0689	No Name Available	09/01/2001
5330-00-684-3239	No Name Available	04/01/1984
5331-01-222-8660	No Name Available	11/01/2021
5330-01-372-3527	No Name Available	11/01/1995

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
050719-00	O-Ring
2-252 N-304-75	O-Ring
2-252 N304-75	O-Ring
2640-047PC16	O-Ring
5331005990689	O-Ring
5331010673446	O-Ring
5331PL1496621	O-Ring
6704225	O-Ring
723007914	O-Ring
7709082	O-Ring
AN6230B30	O-Ring
ARP568-252M1LP5 516-70DURM	O-Ring
ARP568-252M1LP5 516B	O-Ring
ARP568-252MILP5 516-70DUR0	O-Ring
LS4629-30	O-Ring
MS28755-252	O-Ring
MS28775-252	O-Ring
PRP568-252-7377-70	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-067-3446?

The FSCG of the NSN 5331-01-067-3446 is 5331

Does the NSN 5331-01-067-3446 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-067-3446 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 5331-01-067-3446 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-067-3446 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 5331-01-067-3446 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Oct 28, 1978