5340-01-057-4297

Find complete technical information, availability, and procurement data for: 5340-01-057-4297
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-057-4297

Item Name Code

40280

Assigment Date

03/13/1978 (48 years ago)

A one-piece metal item, usually tubular, flanged at one end, the other end open. It is used primarily for lining and reinforcing the edges of holes. The unflanged end is designed to be inserted through a hole and crimped to form a mating flange. Excludes:grommet, metallic and eyelets which are components of pushbutton, turnbutton and turnlock type fastners.

right-hand right external thread direction, 0.045 inches minimum and 0.055 inches maximum flange thickness, 2b left internal (includes thru thread)2a right external thread class, 0.675 inches minimum and 0.705 inches maximum length, 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)
Flange Thickness: 0.045 inches minimum and 0.055 inches maximum
Length: 0.675 inches minimum and 0.705 inches maximum
Flange Width Across Flats: 0.187 inches nominal
Thread Quantity Per Inch: 32 right external
Nominal Thread Size: 0.164 inches right external
Material: steel comp 303 standoff
Material Document And Classification: astm a582 assn std single material response standoff
Surface Treatment: passivate standoff
Style Designator: flanged with left internal thread
Thread Series Designator: unc 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
768-3828-001	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-057-4297?

The FSCG of the NSN 5340-01-057-4297 is 5340

Does NSN 5340-01-057-4297 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 5340-01-057-4297 contain precious materials?

Precious metal content is unknown

Does NSN 5340-01-057-4297 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 5340-01-057-4297 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Mar 13, 1978