5310-01-421-7537

Find complete technical information, availability, and procurement data for: 5310-01-421-7537
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-421-7537

Item Name Code

01857

Assigment Date

11/15/1995 (30 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

0.300 inches nominal nut height, 1.438 inches nominal width across flats, hexagon nut style, 2b thread class, 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
Nut Style: hexagon
Nut Height: 0.300 inches nominal
Width Across Flats: 1.438 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.125 inches
Bearing Surface Type: chamfered or washer faced
Material: steel comp 1215 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
ARH1615-501	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-421-7537?

The FSCG of the NSN 5310-01-421-7537 is 5310

Does the NSN 5310-01-421-7537 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-421-7537 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 5310-01-421-7537 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-421-7537 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 5310-01-421-7537 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Nov 15, 1995