5310-01-728-6257

Find complete technical information, availability, and procurement data for: 5310-01-728-6257
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-728-6257

Item Name Code

01857

Assigment Date

04/14/2025 (1 year ago)

A bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. Excludes:brace (as modified); bracket, angle; and bracket, double angle. See also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).

right-hand thread direction, 0.057 inches minimum and 0.066 inches maximum nut height, 13055121 end item identification, hexagon nut style, 2b thread class

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
Nut Style: hexagon
Nut Height: 0.057 inches minimum and 0.066 inches maximum
End Item Identification: 13055121
Width Across Flats: 0.180 inches minimum and 0.188 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 56
Nominal Thread Size: 2.0 inches
Bearing Surface Type: chamfered
Part Name Assigned By Controlling Agency: nuts, machine, hex
Material: steel comp 1005 overall
Material Document And Classification: astm a307, grade a american society for testing and materials (astm) single material response overall
Surface Treatment: zinc nickel overall
Surface Treatment Document And Classification: mil-prf-3 2647, hexavalent chromium free, type k20 mil spec single treatment response overall
Specification/Standard Data: 05047-asme b18.24-2023 international std/spec

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
AEN23C086000AP5QW1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-728-6257?

The FSCG of the NSN 5310-01-728-6257 is 5310

Does the NSN 5310-01-728-6257 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-728-6257 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 5310-01-728-6257 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-728-6257 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 5310-01-728-6257 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Mon, Apr 14, 2025