5310-01-406-1256

Find complete technical information, availability, and procurement data for: 5310-01-406-1256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-406-1256

Item Name Code

05277

Assigment Date

12/21/1994 (31 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. 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. See also nut (1) self-locking, blind rivet. Excludes:nut (1), sleeve.

prevailing torque all metal design locking feature, 2b thread class, 0.724 inches minimum and 0.776 inches maximum nut height, hexagon nut style, right-hand thread direction

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
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.724 inches minimum and 0.776 inches maximum
Width Across Flats: 1.269 inches minimum and 1.312 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 9
Nominal Thread Size: 0.875 inches
Bearing Surface Type: chamfered or washer faced
Material: steel 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
803-1624094 PC 49	Hexagon Self-Locking Nut
MS51943-47	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-406-1256?

The FSCG of the NSN 5310-01-406-1256 is 5310

Does the NSN 5310-01-406-1256 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-406-1256 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 5310-01-406-1256 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-406-1256 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 5310-01-406-1256 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Dec 21, 1994