5310-00-754-4237

Find complete technical information, availability, and procurement data for: 5310-00-754-4237
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-754-4237

Item Name Code

05277

Assigment Date

01/01/1962 (64 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.

0.328 inches nominal nut height, right-hand thread direction, 0.430 inches minimum and 0.439 inches maximum width across flats, 3b thread class, prevailing torque all metal design locking feature

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
Nut Height: 0.328 inches nominal
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: aluminum alloy overall
Surface Treatment: anodize 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
B2D428	Hexagon Self-Locking Nut
NAS1021H4	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-754-4237?

The FSCG of the NSN 5310-00-754-4237 is 5310

Does the NSN 5310-00-754-4237 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-00-754-4237 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 5310-00-754-4237 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-754-4237 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 5310-00-754-4237 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962