5310-01-247-6542

Find complete technical information, availability, and procurement data for: 5310-01-247-6542
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-247-6542

Item Name Code

01857

Assigment Date

01/09/1987 (39 years ago)

An electromechanical device which releases the holding mechanism and permits the contacts of a circuit breaker to open. It is a replacement part of a circuit breaker. Does not include relays. See also thermal release, circuit breaker.

3b thread class, 0.741 inches minimum and 0.752 inches maximum width across flats, 0.438 inches nominal nut height, hexagon nut style, right-hand thread direction

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
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.438 inches nominal
Width Across Flats: 0.741 inches minimum and 0.752 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 0.500 inches
Bearing Surface Type: washer faced
Bearing Surface Finish: 63.0 microinches
Material: steel comp 8740 overall
Material Document And Classification: ams 6322 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std single treatment response overall

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
MS9881-14	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-247-6542?

The FSCG of the NSN 5310-01-247-6542 is 5310

Does the NSN 5310-01-247-6542 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-247-6542 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 5310-01-247-6542 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-247-6542 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 5310-01-247-6542 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jan 9, 1987