5340-01-668-6973

Find complete technical information, availability, and procurement data for: 5340-01-668-6973
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-668-6973

Item Name Code

40280

Assigment Date

12/04/2017 (8 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.

2b left internal (includes thru thread) thread class, right-hand right internal thread direction, 2b right internal thread class, right-hand left internal (includes thru thread) thread direction, 0.188 inches minimum left internal (includes thru thread) thread length

Product Characteristics

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

Thread Class: 2b left internal (includes thru thread)
Thread Class: 2b right internal
Thread Direction: right-hand right internal
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.188 inches minimum left internal (includes thru thread)
Thread Length: 0.188 inches minimum right internal
Length: 0.245 inches minimum and 0.255 inches maximum
End Item Identification: psp blk20 a k
Cross-Sectional Shape: hexagon
Width Across Flats: 0.182 inches minimum and 0.194 inches maximum
Thread Quantity Per Inch: 56 left internal (includes thru thread)
Thread Quantity Per Inch: 56 right internal
Nominal Thread Size: 0.0860 inches left internal (includes thru thread)
Nominal Thread Size: 0.0860 inches right internal
Part Name Assigned By Controlling Agency: post,electrical-mechanical equipment
Material: aluminum alloy overall
Material Document And Classification: qq-a-225/8(uns a96062)t6,qq-a-225/6(uns a92024)t4 or qq-a-225/3(uns a92011)t4 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,type i or ii,class 1 mil spec single treatment response overall
Style Designator: left internal and right internal threads
Thread Series Designator: unc left internal (includes thru thread)
Thread Series Designator: unc right internal
Specification/Standard Data: 80205-nas1831 professional/industrial association standard

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
NAS1831A3A04	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-668-6973?

The FSCG of the NSN 5340-01-668-6973 is 5340

Does NSN 5340-01-668-6973 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 5340-01-668-6973 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-668-6973 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 5340-01-668-6973 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Mon, Dec 4, 2017