5340-01-221-0740

Find complete technical information, availability, and procurement data for: 5340-01-221-0740
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-221-0740

Item Name Code

40280

Assigment Date

11/23/1985 (40 years ago)

A switch that is externally actuated by a device such as a push rod or button, which requires pushing for each actuation. The action may be momentary, with mechanical return. It consists of a body,switch and a push button. The item may include provisions for mounting indicating lamps or light emitting diodes in the actuator. Includes items consisting of individually separable switches that are physically interlocked, that have a common actuator, or are electrically connected. Excludes: light-switch; light-switch assembly; switch,beam selecting,headlight; switch,foot; switch,interlock; switch,pressure; switch,push-pull; switch,sensitive and switch assembly. For devices which start, stop, reverse, select and/or regulate the speed of a motor, see starter,motor and controller,motor.

right-hand left internal (includes thru thread) thread direction, 0.252 inches nominal right external thread length, right-hand right external thread direction, 2a right external thread class, 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: 0.252 inches nominal right external
Thread Length: 0.120 inches nominal left internal (includes thru thread)
Flange Thickness: 0.188 inches nominal
Length: 0.500 inches nominal
Flange Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 40 left internal (includes thru thread)
Thread Quantity Per Inch: 40 right external
Nominal Thread Size: 0.112 inches left internal (includes thru thread)
Nominal Thread Size: 0.112 inches right external
Material: steel comp 303 standoff
Material Document And Classification: astm a582 assn std single material response standoff
Surface Treatment: passivate standoff
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response standoff
Style Designator: flanged with left internal 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
2848162-1	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-221-0740?

The FSCG of the NSN 5340-01-221-0740 is 5340

Does NSN 5340-01-221-0740 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 5340-01-221-0740 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-221-0740 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 5340-01-221-0740 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Nov 23, 1985