5310-00-531-8830

Find complete technical information, availability, and procurement data for: 5310-00-531-8830
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-531-8830

Item Name Code

15933

Assigment Date

01/01/1961 (65 years ago)

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

1.820 inches minimum and 1.840 inches maximum recess diameter, 0.125 inches nominal material thickness, 1.640 inches minimum and 1.660 inches maximum hole diameter, 2.290 inches minimum and 2.310 inches maximum outside diameter, 89.0 degrees minimum and 91.0 degrees maximum recess angle

Product Characteristics

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

Hole Diameter: 1.640 inches minimum and 1.660 inches maximum
Outside Diameter: 2.290 inches minimum and 2.310 inches maximum
Recess Diameter: 1.820 inches minimum and 1.840 inches maximum
Material Thickness: 0.125 inches nominal
Recess Angle: 89.0 degrees minimum and 91.0 degrees maximum
Heat Treatment: normalized
Material: steel comp 4130 overall
Material Document And Classification: mil-t-6736 mil spec single material response or mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium overall
Style Designator: recessed

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
30-2507	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-531-8830?

The FSCG of the NSN 5310-00-531-8830 is 5310

Does the NSN 5310-00-531-8830 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-531-8830 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 5310-00-531-8830 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-531-8830 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 5310-00-531-8830 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961