5340-01-393-3753

Find complete technical information, availability, and procurement data for: 5340-01-393-3753
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-393-3753

Item Name Code

40280

Assigment Date

07/19/1994 (32 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

0.310 inches nominal right external thread length, right-hand right external thread direction, 2a right external thread class, right-hand left internal (includes thru thread) thread direction, 2b left internal (includes thru thread) 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: 2a right external
Thread Class: 2b left internal (includes thru thread)
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.310 inches nominal right external
Thread Length: 0.180 inches nominal left internal (includes thru thread)
Length: 0.310 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 32 left internal (includes thru thread)
Thread Quantity Per Inch: 32 right external
Nominal Thread Size: 0.138 inches left internal (includes thru thread)
Nominal Thread Size: 0.138 inches right external
Right Projection Diameter: 0.138 inches nominal
Right Projection Length: 0.310 inches nominal
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: left internal and right external thread
Thread Series Designator: unc left internal (includes thru 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
A3112649-001	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-393-3753?

The FSCG of the NSN 5340-01-393-3753 is 5340

Does NSN 5340-01-393-3753 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 5340-01-393-3753 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-393-3753 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 5340-01-393-3753 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Jul 19, 1994