AN931-12S20

View detailed technical data, stock status, and sourcing information for: AN931-12S20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-251-0291

Item Name Code

33729

Assigment Date

06/29/1973 (53 years ago)

0.250 inches nominal groove width, 45.0 minimum shore durometer a and 55.0 maximum shore durometer a nonmetallic hardness rating, 0.437 inches nominal overall height, 0.750 inches nominal hole diameter, 0.093 inches nominal flange thickness

Product Characteristics

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

Nonmetallic Hardness Rating: 45.0 minimum shore durometer a and 55.0 maximum shore durometer a
Hole Diameter: 0.750 inches nominal
Groove Width: 0.250 inches nominal
Flange Thickness: 0.093 inches nominal
Overall Height: 0.437 inches nominal
Grommet Style: round
Large Flange Outside Diameter: 1.625 inches nominal
Groove Outside Diameter: 1.250 inches nominal
Grommet Construction Type: split
Features Provided: oil resistant and coolant resistant
Color: black overall
Material: rubber synthetic overall
Material Document And Classification: amstm d2000 bg515a14b24c32e036f19z assn std single material response overall

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
AN931-12S20	Nonmetallic Grommet
MS35489-131S	Nonmetallic Grommet

FAQs

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

What is the FSCG of the NSN 5325-00-251-0291?

The FSCG of the NSN 5325-00-251-0291 is 5325

Does the NSN 5325-00-251-0291 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-251-0291 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 5325-00-251-0291 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-251-0291 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 5325-00-251-0291 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jun 29, 1973