7348981

View detailed technical data, stock status, and sourcing information for: 7348981
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-3600

Item Name Code

16979

Assigment Date

01/01/1961 (65 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.

3b thread class, plain, octagon nut style, 0.234 inches minimum and 0.266 inches maximum nut height, 2.547 inches minimum and 2.578 inches maximum width across flats, 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: 3b
Thread Direction: right-hand
Nut Style: plain, octagon
Nut Height: 0.234 inches minimum and 0.266 inches maximum
Width Across Flats: 2.547 inches minimum and 2.578 inches maximum
Thread Series: un
Features Provided: casehardened
Thread Quantity Per Inch: 16
Nominal Thread Size: 1.812 inches
Bearing Surface Type: chamfered or washer faced
Material: steel comp 1010 or steel comp 1011 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020 overall
Material Document And Classification: qq-s-633 fed spec single material 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
4525W	Octagon Plain Nut
7348981	Octagon Plain Nut
915500	Octagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-275-3600?

The FSCG of the NSN 5310-00-275-3600 is 5310

Does the NSN 5310-00-275-3600 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-275-3600 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 5310-00-275-3600 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-275-3600 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 5310-00-275-3600 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961