5331-01-568-2731

Find complete technical information, availability, and procurement data for: 5331-01-568-2731
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-568-2731

Item Name Code

47946

Assigment Date

10/24/2008 (17 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.500 inches nominal center hole diameter, o-ring number 10 standard part name assigned by controlling agency, 0.0625 inches nominal cross-sectional height, 0.6562 inches nominal outside diameter, 2320-01-529-2251; truck, bomb service; mrap buffalo mk2a2 end item identification

Product Characteristics

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

Outside Diameter: 0.6562 inches nominal
Cross-Sectional Height: 0.0625 inches nominal
Center Hole Diameter: 0.500 inches nominal
End Item Identification: 2320-01-529-2251; truck, bomb service; mrap buffalo mk2a2
Part Name Assigned By Controlling Agency: o-ring number 10 standard
Special Features: specially compounded for air conditioning refrigerant and connections on r-12 freon systems.
Color: black
Material: rubber natural

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
KP77889	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-568-2731?

The FSCG of the NSN 5331-01-568-2731 is 5331

Does the NSN 5331-01-568-2731 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5331-01-568-2731 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 5331-01-568-2731 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-568-2731 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 5331-01-568-2731 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Fri, Oct 24, 2008