5310-00-761-1681

Find complete technical information, availability, and procurement data for: 5310-00-761-1681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-761-1681

Item Name Code

01857

Assigment Date

01/01/1960 (66 years ago)

hexagon nut style, 2b thread class, right-hand thread direction, 0.258 inches minimum and 0.273 inches maximum nut height, 0.4890 inches minimum and 0.5000 inches maximum width across flats

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: 0.258 inches minimum and 0.273 inches maximum
Width Across Flats: 0.4890 inches minimum and 0.5000 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 18
Hardness Rating: 103.0 brinell standard minimum
Nominal Thread Size: 0.312 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed 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
MS51967-4	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-761-1681?

The FSCG of the NSN 5310-00-761-1681 is 5310

Does the NSN 5310-00-761-1681 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-761-1681 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 5310-00-761-1681 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-761-1681 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 5310-00-761-1681 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960