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, 0.094 inches nominal cross-sectional height, rubber butadiene-acrylonitrile class nbr material, 2.033 inches minimum and 2.067 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: 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Below is a list of NSNs that have been officially superseded by this NSN: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