2HB263

View detailed technical data, stock status, and sourcing information for: 2HB263
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-419-0749

Item Name Code

47946

Assigment Date

12/02/1970 (55 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

-55.0 fahrenheit and 225.0 fahrenheit temp rating, nsn 2320-01-304-2277 pls (palletized loading system) end item identification, 0.067 inches minimum and 0.073 inches maximum cross-sectional height, 0.296 inches minimum and 0.306 inches maximum center hole diameter, 0.430 inches minimum and 0.452 inches maximum 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: 0.430 inches minimum and 0.452 inches maximum
Temp Rating: -55.0 fahrenheit and 225.0 fahrenheit
Cross-Sectional Height: 0.067 inches minimum and 0.073 inches maximum
Center Hole Diameter: 0.296 inches minimum and 0.306 inches maximum
End Item Identification: nsn 2320-01-304-2277 pls (palletized loading system)
Elongation Percentage: 260 maximum
Hardness Rating: 70.0 shore durometer a nominal
Criticality Code Justification: feat
Special Features: weapon system essential
Material: rubber butadiene-acrylonitrile class nbr

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-728-0149	No Name Available	05/01/1984
5330-01-024-9775	No Name Available	07/01/1993

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
2-011 N103-70	O-Ring
2-011N103-7	O-Ring
2HB263	O-Ring
41006676	O-Ring
500000-0011-0002	O-Ring
5427-106	O-Ring
9HB263	O-Ring
A2479-7	O-Ring
F15115	O-Ring
N0103 2-011	O-Ring
SP100-6	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-419-0749?

The FSCG of the NSN 5331-00-419-0749 is 5331

Does the NSN 5331-00-419-0749 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-419-0749 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 5331-00-419-0749 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-419-0749 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 5331-00-419-0749 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 2, 1970