SM-B-157340

View detailed technical data, stock status, and sourcing information for: SM-B-157340
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-521-7181

Item Name Code

29785

Assigment Date

01/01/1963 (63 years ago)

0.375 inches nominal width, 0.6875 inches nominal length, oval, multi holes peripheral shape style, 2 hole quantity along length, flat cross-sectional shape 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: flat
Width: 0.375 inches nominal
Peripheral Shape Style: oval, multi holes
Length: 0.6875 inches nominal
Hole Quantity Along Length: 2
Distance Between Holes Along Length: 0.3075 inches minimum and 0.3175 inches maximum
Distance From First Hole Centerline To End Along Length: 0.1875 inches nominal
Body Thickness: 0.120 inches nominal
Securing Device Type: threaded fastener
Mounting Opening Shape Style: threaded hole
Material: steel
Material Document And Classification: qq-s-698 fed spec single material response
Surface Treatment: phosphate
Surface Treatment Document And Classification: k-f-1103,cagec 80063 mfr ref single treatment response

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
SM-B-157340	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-00-521-7181?

The FSCG of the NSN 5340-00-521-7181 is 5340

Does the NSN 5340-00-521-7181 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908695

Does NSN 5340-00-521-7181 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 5340-00-521-7181 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-00-521-7181 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-00-521-7181 was assigned to the Federal Catalog?

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