5310-00-123-2591

Find complete technical information, availability, and procurement data for: 5310-00-123-2591
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-123-2591

Item Name Code

01854

Assigment Date

11/06/1968 (57 years ago)

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, slotted, hexagon.

0.600 inches minimum and 0.620 inches maximum nut height, right-hand thread direction, 0.865 inches minimum and 0.877 inches maximum width across flats, 3b thread class, castellated, hexagon nut style

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: 0.600 inches minimum and 0.620 inches maximum
Width Across Flats: 0.865 inches minimum and 0.877 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.562 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: washer faced
Bearing Surface Finish: 63.0 microinches
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 assn std single material response or ams 5737 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 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
MS9359-15	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-123-2591?

The FSCG of the NSN 5310-00-123-2591 is 5310

Does the NSN 5310-00-123-2591 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-123-2591 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 5310-00-123-2591 contain precious materials?

Item contains silver.

Does NSN 5310-00-123-2591 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 5310-00-123-2591 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Nov 6, 1968