4-50

View detailed technical data, stock status, and sourcing information for: 4-50
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-045-9603

Item Name Code

47946

Assigment Date

08/10/1977 (48 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

10.953 inches minimum and 11.097 inches maximum outside diameter, 331 maximum elongation percentage, 0.250 inches nominal cross-sectional height, -30.0 fahrenheit and 250.0 fahrenheit temp rating, 10.500 inches nominal 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: 10.953 inches minimum and 11.097 inches maximum
Temp Rating: -30.0 fahrenheit and 250.0 fahrenheit
Cross-Sectional Height: 0.250 inches nominal
Center Hole Diameter: 10.500 inches nominal
Elongation Percentage: 331 maximum
Hardness Rating: 70.0 shore durometer a nominal
Material: rubber butadiene-acrylonitrile class nbr

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
2-450 N0674-70	O-Ring
2-450-N674-70	O-Ring
4-50	O-Ring
406-1021	O-Ring
N0674 2-450	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-045-9603?

The FSCG of the NSN 5331-01-045-9603 is 5331

Does the NSN 5331-01-045-9603 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-045-9603 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 5331-01-045-9603 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-045-9603 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 5331-01-045-9603 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Aug 10, 1977