5310-00-921-0081

Find complete technical information, availability, and procurement data for: 5310-00-921-0081
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-921-0081

Item Name Code

01854

Assigment Date

12/11/1965 (60 years ago)

castellated, hexagon nut style, right-hand thread direction, 1.125 inches nominal width across flats, 3b thread class, 0.615 inches minimum and 0.635 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: 3b
Thread Direction: right-hand
Nut Style: castellated, hexagon
Nut Height: 0.615 inches minimum and 0.635 inches maximum
Width Across Flats: 1.125 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Countersink Angle: 110.0 degrees nominal nut
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: steel comp e4340 overall
Material Document And Classification: mil-s-5000 mil spec single material response overall
Surface Treatment: cadmium 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
6-40654-1	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-921-0081?

The FSCG of the NSN 5310-00-921-0081 is 5310

Does the NSN 5310-00-921-0081 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-921-0081 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 5310-00-921-0081 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-921-0081 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 5310-00-921-0081 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Sat, Dec 11, 1965