AN230B4

View detailed technical data, stock status, and sourcing information for: AN230B4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-231-6591

Item Name Code

06314

Assigment Date

01/01/1963 (63 years ago)

A two-piece metallic item, one piece usually tubular in appearance and flanged at one end, the other piece a plain tooth or spur washer or retaining ring. It is primarily used for lining and reinforcing the edges of holes. The unflanged end is designed to be inserted through a hole and retained in place by being crimped over the plain or tooth washer or retaining ring or by clinching action between the spur washer and the flanged end. Excludes:eyelet, metallic.

0.625 inches minimum and 0.635 inches maximum barrel outside diameter, tapered round type barrel style, 0.364 inches minimum and 0.384 inches maximum barrel height, 1.045 inches nominal flange outside diameter, flat w/ formed inner edge washer style

Product Characteristics

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

Washer Style: flat w/ formed inner edge
Barrel Height: 0.364 inches minimum and 0.384 inches maximum
Flange Outside Diameter: 1.045 inches nominal
Barrel Style: tapered round type
Barrel Outside Diameter: 0.625 inches minimum and 0.635 inches maximum
Barrel Largest Outside Diameter: 0.481 inches minimum and 0.491 inches maximum
Flange Style: flange
Material: copper alloy overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5325-00-291-0280	No Name Available	01/01/1963
5325-00-291-0283	No Name Available	01/24/1973
5325-00-685-1210	No Name Available	02/24/1973

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
5325PL0860368	Metallic Grommet
5325PL1720919	Metallic Grommet
AN230B4	Metallic Grommet
MS20230B4	Metallic Grommet

FAQs

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

What is the FSCG of the NSN 5325-00-231-6591?

The FSCG of the NSN 5325-00-231-6591 is 5325

Does the NSN 5325-00-231-6591 have a Schedule B code assigned?

Yes, the Schedule B code is 8308100000

Does NSN 5325-00-231-6591 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 5325-00-231-6591 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-231-6591 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 5325-00-231-6591 was assigned to the Federal Catalog?

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