NF-4008-B

View detailed technical data, stock status, and sourcing information for: NF-4008-B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-005-0521

Item Name Code

47946

Assigment Date

06/19/1975 (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.

0.135 inches minimum and 0.143 inches maximum cross-sectional height, -15.0 fahrenheit and 400.0 fahrenheit temp rating, 0.749 inches minimum and 0.775 inches maximum outside diameter, 125 maximum elongation percentage, 0.477 inches minimum and 0.491 inches maximum 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: 0.749 inches minimum and 0.775 inches maximum
Temp Rating: -15.0 fahrenheit and 400.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 0.477 inches minimum and 0.491 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 75.0 shore durometer a nominal
Material: rubber fluorocarbon class fpm

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-01-044-2315	No Name Available	06/01/1986
5331-01-425-8406	No Name Available	11/01/2001

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
10163349	O-Ring
1588 ITEM 51	O-Ring
2-206V0747-75	O-Ring
2-206V1164-75	O-Ring
2-206V1226-75	O-Ring
9464K66	O-Ring
AS 568A-206	O-Ring
AS3209-206	O-Ring
M83248/1-206	O-Ring
MS9388-206	O-Ring
NF-4008-B	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-005-0521?

The FSCG of the NSN 5331-01-005-0521 is 5331

Does the NSN 5331-01-005-0521 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-005-0521 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 5331-01-005-0521 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-005-0521 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 5331-01-005-0521 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Thu, Jun 19, 1975