M25988/1-221

View detailed technical data, stock status, and sourcing information for: M25988/1-221
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-007-1627

Item Name Code

47946

Assigment Date

07/31/1975 (51 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.

1.409 inches minimum and 1.433 inches maximum center hole diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 70.0 shore durometer a nominal hardness rating, 125 maximum elongation percentage, 1.699 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: 1.699 inches nominal
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 1.409 inches minimum and 1.433 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 70.0 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Below is a list of NSNs that have been officially superseded by this NSN: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
5331-00-185-9375	No Name Available	08/01/2000
5330-00-435-5738	No Name Available	02/01/1987
5330-00-598-7570	No Name Available	02/01/1985
5330-00-915-4673	No Name Available	05/23/2012

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
11-221-8450-60	O-Ring
2-221 L449-65	O-Ring
2-221L449-6	O-Ring
221-11646	O-Ring
AA-221TH1047	O-Ring
B63115-221	O-Ring
C007-221	O-Ring
H733-4-221	O-Ring
L0449 2-221	O-Ring
M25988/1-221	O-Ring
PRP221-11646	O-Ring
PRP568-221-1133-60	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-007-1627?

The FSCG of the NSN 5331-01-007-1627 is 5331

Does the NSN 5331-01-007-1627 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-007-1627 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 5331-01-007-1627 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-007-1627 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 5331-01-007-1627 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Thu, Jul 31, 1975