5305-01-371-3743

Find complete technical information, availability, and procurement data for: 5305-01-371-3743
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-371-3743

Item Name Code

06657

Assigment Date

02/11/1993 (33 years ago)

A relay switch which is actuated by the effect of internal heat generated by the current in its energizing circuit. For items actuated by ambient, rather than internal temperature changes, see switch, thermostatic.

0.625 inches nominal thread length, flat chamfer head style, right-hand thread direction, 0.625 inches nominal fastener length, 2a 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
Thread Direction: right-hand
Thread Length: 0.625 inches nominal
Fastener Length: 0.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.262 inches minimum and 0.270 inches maximum
Head Height: 0.161 inches minimum and 0.166 inches maximum
Width Between Flats: 0.1406 inches minimum and 0.1426 inches maximum
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Screw Material: steel comp 630
Screw Material Document And Classification: ams5643 assn std single material response
Screw Surface Treatment: passivate
Thread Series Designator: unc

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
A320A972-101	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-371-3743?

The FSCG of the NSN 5305-01-371-3743 is 5305

Does the NSN 5305-01-371-3743 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-371-3743 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 5305-01-371-3743 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-371-3743 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 5305-01-371-3743 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, Feb 11, 1993