5340-01-379-4177

Find complete technical information, availability, and procurement data for: 5340-01-379-4177
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-379-4177

Item Name Code

19876

Assigment Date

08/31/1993 (32 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.375 inches nominal thread length, 0.437 inches nominal overall length, 0.138 inches nominal overall diameter, right-hand thread direction, 2a thread class

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.375 inches nominal
Overall Length: 0.437 inches nominal
Overall Diameter: 0.138 inches nominal
Width Across Flats: 0.138 inches nominal
End Pressure Rating: 0.500 pounds minimum and 1.500 pounds maximum
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Material: steel comp 303 body
Material Document And Classification: astm a582 cond a assn std single material response body
Surface Treatment: passivate body
Shape: round
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response body
Thread Series Designator: unc

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
A383A034-101	Quick Release Plunger

FAQs

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

What is the FSCG of the NSN 5340-01-379-4177?

The FSCG of the NSN 5340-01-379-4177 is 5340

Does NSN 5340-01-379-4177 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 5340-01-379-4177 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-379-4177 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 5340-01-379-4177 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Aug 31, 1993