2179-632-SS-20

View detailed technical data, stock status, and sourcing information for: 2179-632-SS-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-512-9977

Item Name Code

40280

Assigment Date

09/16/2003 (22 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.

0.3125 inches nominal cross-sectional width, 1.000 inches nominal cross-sectional length, 1.000 inches nominal length, 0.375 inches nominal right internal thread length, right-hand right internal thread direction

Product Characteristics

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

Thread Direction: right-hand right internal
Thread Length: 0.375 inches nominal right internal
Length: 1.000 inches nominal
Cross-Sectional Length: 1.000 inches nominal
Cross-Sectional Width: 0.3125 inches nominal
End Item Identification: an/arc222 sin
Cross-Sectional Shape: hexagon
Width Across Flats: 0.3125 inches nominal
Thread Quantity Per Inch: 32 right internal
Nominal Thread Size: 0.138 inches right internal
Material: steel corrosion resisting insert
Material Document And Classification: astm-a-581 assn std single material response insert
Surface Treatment: passivate insert
Surface Treatment Document And Classification: mil-f-14072d mil spec single treatment response insert
Style Designator: left internal and right internal threads
Thread Series Designator: unc right internal

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
2179-632-SS-20	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-512-9977?

The FSCG of the NSN 5340-01-512-9977 is 5340

Does NSN 5340-01-512-9977 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 5340-01-512-9977 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-512-9977 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 5340-01-512-9977 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Sep 16, 2003