5310-01-268-1230

Find complete technical information, availability, and procurement data for: 5310-01-268-1230
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-268-1230

Item Name Code

01857

Assigment Date

11/23/1987 (38 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

hexagon nut style, 0.245 inches minimum and 0.255 inches maximum nut height, right-hand thread direction, 2b thread class, 0.250 inches nominal width across flats

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: 0.245 inches minimum and 0.255 inches maximum
Width Across Flats: 0.250 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.164 inches
Bearing Surface Type: chamfered or washer faced
Part Name Assigned By Controlling Agency: navy special project
Material: aluminum alloy 2017 overall
Material Document And Classification: qq-a-225/5,t4 fed spec single material response overall
Surface Treatment: chromate overall
Surface Treatment Document And Classification: mil-c-5541,cl 3 mil spec 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
540-9242-003	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-268-1230?

The FSCG of the NSN 5310-01-268-1230 is 5310

Does the NSN 5310-01-268-1230 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-01-268-1230 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 5310-01-268-1230 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-268-1230 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 5310-01-268-1230 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Nov 23, 1987