5310-01-056-3223

Find complete technical information, availability, and procurement data for: 5310-01-056-3223
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-056-3223

Item Name Code

15891

Assigment Date

02/20/1978 (48 years ago)

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.

prevailing torque all metal design locking feature, right-hand thread direction, 3b thread class, 0.344 inches nominal nut counterbore diameter, floating self-locking barrel 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
Locking Feature: prevailing torque all metal design
Counterbore Diameter: 0.344 inches nominal nut
Nut Style: floating self-locking barrel
Nut Diameter: 0.591 inches nominal
Nut Length: 0.688 inches nominal
Barrel Height: 0.357 inches nominal
Nut Height: 0.415 inches nominal
Nut Counterbore Depth: 0.125 inches nominal nut
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Material: steel corrosion resisting 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
2133808 ITEM 10	Barrel Self-Locking Nut
2790713-1	Barrel Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-056-3223?

The FSCG of the NSN 5310-01-056-3223 is 5310

Does the NSN 5310-01-056-3223 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-056-3223 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 5310-01-056-3223 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-056-3223 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 5310-01-056-3223 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Feb 20, 1978