5340-00-979-4018

Find complete technical information, availability, and procurement data for: 5340-00-979-4018
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-979-4018

Item Name Code

40280

Assigment Date

01/01/1962 (64 years ago)

right-hand right external thread direction, right-hand left internal (includes thru thread) thread direction, 0.438 inches nominal flange diameter, 0.500 inches nominal left internal (includes thru thread)0.320 inches nominal right external thread length, 3b left internal (includes thru thread)3a right external 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: 3b left internal (includes thru thread)3a right external
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.500 inches nominal left internal (includes thru thread)0.320 inches nominal right external
Flange Diameter: 0.438 inches nominal
Flange Thickness: 1.000 inches nominal
Length: 1.320 inches nominal
Thread Quantity Per Inch: 28 right external
Thread Quantity Per Inch: 28 left internal (includes thru thread)
Nominal Thread Size: 0.250 inches left internal (includes thru thread)
Nominal Thread Size: 0.250 inches right external
Material: steel comp 303se standoff
Material Document And Classification: mil-s-7720 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
4818126-515	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-00-979-4018?

The FSCG of the NSN 5340-00-979-4018 is 5340

Does NSN 5340-00-979-4018 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 5340-00-979-4018 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-979-4018 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 5340-00-979-4018 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962