5305-01-643-6538

Find complete technical information, availability, and procurement data for: 5305-01-643-6538
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-643-6538

Item Name Code

18257

Assigment Date

04/08/2015 (11 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.

2a thread class, right-hand thread direction, 0.75 inches nominal thread length, 0.75 inches nominal fastener length, hexagon head style

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
Thread Direction: right-hand
Thread Length: 0.75 inches nominal
Fastener Length: 0.75 inches nominal
Head Style: hexagon
Head Height: 0.16 inches nominal
Width Between Flats: 0.44 inches nominal
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Material: steel corrosion resisting overall
Thread Series Designator: unc

FAQs

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

What is the FSCG of the NSN 5305-01-643-6538?

The FSCG of the NSN 5305-01-643-6538 is 5305

Does the NSN 5305-01-643-6538 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-643-6538 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 5305-01-643-6538 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-643-6538 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-643-6538 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Wed, Apr 8, 2015