5310-01-037-0781

Find complete technical information, availability, and procurement data for: 5310-01-037-0781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-037-0781

Item Name Code

01857

Assigment Date

03/14/1977 (49 years ago)

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.180 inches minimum and 0.188 inches maximum width across flats, right-hand thread direction, hexagon nut style, 2b thread class, 0.057 inches minimum and 0.066 inches maximum nut height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.057 inches minimum and 0.066 inches maximum
Width Across Flats: 0.180 inches minimum and 0.188 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Bearing Surface Type: chamfered
Material: steel comp 302 or steel comp 304 or steel comp 316 or steel comp 321 or steel comp 347 overall
Material Document And Classification: qq-s-766 fed spec all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 mil spec 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
45045-3402	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-037-0781?

The FSCG of the NSN 5310-01-037-0781 is 5310

Does the NSN 5310-01-037-0781 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-037-0781 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 5310-01-037-0781 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-037-0781 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 5310-01-037-0781 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Mar 14, 1977