M25988/4-020

View detailed technical data, stock status, and sourcing information for: M25988/4-020
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-211-0840

Item Name Code

47946

Assigment Date

06/21/1985 (41 years ago)

80.0 shore durometer a nominal hardness rating, rubber fluorosilicone class fq material, 0.855 inches minimum and 0.873 inches maximum center hole diameter, 125 maximum elongation percentage, 0.067 inches minimum and 0.073 inches maximum cross-sectional height

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: 0.067 inches minimum and 0.073 inches maximum
Center Hole Diameter: 0.855 inches minimum and 0.873 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 80.0 shore durometer a nominal
Material: rubber fluorosilicone class fq

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-216-8393	No Name Available	09/01/1990
5331-00-432-9830	No Name Available	08/01/2009

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
10117180	O-Ring
2-020 L1007-80	O-Ring
2-020 L1218-80	O-Ring
2-020 L806-80	O-Ring
2-020L308-80	O-Ring
78172-020	O-Ring
AMS-25988	O-Ring
L1218 2-20	O-Ring
M25988/4-020	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-211-0840?

The FSCG of the NSN 5331-01-211-0840 is 5331

Does the NSN 5331-01-211-0840 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-211-0840 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 5331-01-211-0840 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-211-0840 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 5331-01-211-0840 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Jun 21, 1985