BK37

View detailed technical data, stock status, and sourcing information for: BK37
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-224-4699

Item Name Code

47946

Assigment Date

01/01/1963 (63 years ago)

2.256 inches nominal outside diameter, rubber butadiene-acrylonitrile class nbr material, 2.033 inches minimum and 2.067 inches maximum center hole diameter, 0.094 inches nominal cross-sectional height

Product Characteristics

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

Outside Diameter: 2.256 inches nominal
Cross-Sectional Height: 0.094 inches nominal
Center Hole Diameter: 2.033 inches minimum and 2.067 inches maximum
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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-531-4933	No Name Available	01/01/1963
5330-00-938-2027	No Name Available	05/20/1973

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
11-137	O-Ring
15807D PIECE 92	O-Ring
332C8196-3	O-Ring
429559PC16	O-Ring
554-2609-28	O-Ring
A244-78-86-8	O-Ring
ARP568-137MILP5 516-70	O-Ring
ARP568-137MILP5 516-70DUR0	O-Ring
BK37	O-Ring
MS-28775-137	O-Ring
PD5330-217-44	O-Ring
PRP914-37-711-70	O-Ring
R-845 PIECE 27	O-Ring
SF-10230 PIECE	O-Ring
V3D10075PC28	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-224-4699?

The FSCG of the NSN 5331-00-224-4699 is 5331

Does the NSN 5331-00-224-4699 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-224-4699 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 5331-00-224-4699 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-224-4699 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 5331-00-224-4699 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963