5340-01-321-4179

Find complete technical information, availability, and procurement data for: 5340-01-321-4179
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-321-4179

Item Name Code

20815

Assigment Date

06/18/1990 (36 years ago)

A comparatively flat rigid item, having a centrally located aperture, designed to hold a window in position in mechanical or optical instruments. It must have drilled and/or tapped holes for mounting purposes.

0.069 inches minimum and 0.073 inches maximum hole diameter, 0.335 inches minimum and 0.355 inches maximum length, 0.015 inches minimum and 0.018 inches maximum material thickness, 0.405 inches minimum and 0.425 inches maximum overall height, 0.177 inches minimum and 0.197 inches maximum width

Product Characteristics

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

Hole Diameter: 0.069 inches minimum and 0.073 inches maximum
Width: 0.177 inches minimum and 0.197 inches maximum
Overall Height: 0.405 inches minimum and 0.425 inches maximum
Material Thickness: 0.015 inches minimum and 0.018 inches maximum
Length: 0.335 inches minimum and 0.355 inches maximum
Mounting Method: unthreaded hole and projecting tab
Distance From Loop Center To End: 0.244 inches nominal
Loop/Holding Dimension: 0.315 inches minimum and 0.330 inches maximum
Material: copper alloy 172 overall
Material Document And Classification: qq-c-533,alloy 172 fed spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment 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
6009-83CC	Spring Tension Clip

FAQs

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

What is the FSCG of the NSN 5340-01-321-4179?

The FSCG of the NSN 5340-01-321-4179 is 5340

Does the NSN 5340-01-321-4179 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908630

Does NSN 5340-01-321-4179 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 5340-01-321-4179 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-321-4179 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 5340-01-321-4179 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Mon, Jun 18, 1990