18166A

View detailed technical data, stock status, and sourcing information for: 18166A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-281-6324

Item Name Code

07623

Assigment Date

01/01/1961 (65 years ago)

0.719 inches nominal inside diameter, not casehardened casehardening indicator, round cross-sectional shape style, 0.843 inches nominal outside diameter, 90 degree parallel end style

Product Characteristics

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

Cross-Sectional Shape Style: round
Inside Diameter: 0.719 inches nominal
Casehardening Indicator: not casehardened
Outside Diameter: 0.843 inches nominal
End Style: 90 degree parallel
Ring Style: straight gap
Material Diameter: 0.062 inches nominal
Usage Design: external
Material: steel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-698-8575	No Name Available	01/01/1963

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
18166A	Retaining Ring
4F3544	Retaining Ring
9019PC18166A	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-281-6324?

The FSCG of the NSN 5325-00-281-6324 is 5325

Does the NSN 5325-00-281-6324 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-281-6324 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 5325-00-281-6324 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-281-6324 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 5325-00-281-6324 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961