85710787-1

View detailed technical data, stock status, and sourcing information for: 85710787-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-051-3491

Item Name Code

40280

Assigment Date

11/27/1977 (48 years ago)

A two-piece metallic item, one piece usually tubular in appearance and flanged at one end, the other piece a plain tooth or spur washer or retaining ring. It is primarily used for lining and reinforcing the edges of holes. The unflanged end is designed to be inserted through a hole and retained in place by being crimped over the plain or tooth washer or retaining ring or by clinching action between the spur washer and the flanged end. Excludes:eyelet, metallic.

0.340 inches nominal left internal (includes thru thread)0.280 inches nominal right external thread length, right-hand right external thread direction, 2b left internal (includes thru thread)2a right external thread class, 0.250 inches nominal flange thickness, right-hand left internal (includes thru thread) 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 Class: 2b left internal (includes thru thread)2a right external
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.340 inches nominal left internal (includes thru thread)0.280 inches nominal right external
Flange Thickness: 0.250 inches nominal
Length: 0.812 inches nominal
Flange Width Across Flats: 0.375 inches nominal
Thread Quantity Per Inch: 28 left internal (includes thru thread)
Thread Quantity Per Inch: 32 right external
Nominal Thread Size: 0.190 inches right external
Nominal Thread Size: 0.250 inches left internal (includes thru thread)
Material: steel comp 303 standoff
Material Document And Classification: mil-s-7720,cond a mil spec single material response standoff
Style Designator: flanged with left internal thread
Thread Series Designator: unf left internal (includes thru thread)
Thread Series Designator: unf right external

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
85710787-1	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-051-3491?

The FSCG of the NSN 5340-01-051-3491 is 5340

Does NSN 5340-01-051-3491 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 5340-01-051-3491 contain precious materials?

Precious metal content is unknown

Does NSN 5340-01-051-3491 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 5340-01-051-3491 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Nov 27, 1977