748428

View detailed technical data, stock status, and sourcing information for: 748428
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-051-2497

Item Name Code

47946

Assigment Date

11/25/1977 (48 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.

-15.0 fahrenheit and 400.0 fahrenheit temp rating, 98.020 millimeters nominal center hole diameter, 4.101 inches minimum and 4.173 inches maximum outside diameter, 3.530 millimeters nominal cross-sectional height, 75.0 shore durometer a nominal hardness rating

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Outside Diameter: 4.101 inches minimum and 4.173 inches maximum
Temp Rating: -15.0 fahrenheit and 400.0 fahrenheit
Cross-Sectional Height: 3.530 millimeters nominal
Center Hole Diameter: 98.020 millimeters nominal
Hardness Rating: 75.0 shore durometer a nominal
Material: rubber fluorocarbon class fpm
Material Document And Classification: mil-r-83248 mil spec single material response

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
2-241V747-75	O-Ring
748428	O-Ring
V0747 2-241	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-051-2497?

The FSCG of the NSN 5331-01-051-2497 is 5331

Does the NSN 5331-01-051-2497 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-051-2497 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 5331-01-051-2497 contain precious materials?

Precious metal content is unknown

Does NSN 5331-01-051-2497 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 5331-01-051-2497 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Nov 25, 1977