5310-01-279-2303

Find complete technical information, availability, and procurement data for: 5310-01-279-2303
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-279-2303

Item Name Code

15893

Assigment Date

05/16/1988 (38 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

0.264 inches minimum and 0.270 inches maximum pilot diameter, 0.316 inches nominal pilot length, 3b thread class, prevailing torque all metal design locking feature, 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
Locking Feature: prevailing torque all metal design
Pilot Diameter: 0.264 inches minimum and 0.270 inches maximum
Pilot Length: 0.316 inches nominal
Counterbore Diameter: 0.243 inches minimum and 0.250 inches maximum nut
Nut Style: spline (floating)
Nut Length: 0.547 inches minimum and 0.582 inches maximum
Nut Height: 0.342 inches minimum and 0.372 inches maximum
Nut Counterbore Depth: 0.316 inches nominal nut
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: steel comp 1050 or steel comp 1075 nut
Material: steel comp 1050 bracket
Material Document And Classification: ams5085 assn std 1st material response or astm a682 assn std 2nd material response nut
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty2,cl2 fed 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
C7592A3H3	Spline Self-Locking Nut
FGD6010-10-H-3	Spline Self-Locking Nut
FGD6010L-10-H-3	Spline Self-Locking Nut
FT5195-10-8-3P	Spline Self-Locking Nut
SL3469-3H3	Spline Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-279-2303?

The FSCG of the NSN 5310-01-279-2303 is 5310

Does the NSN 5310-01-279-2303 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-279-2303 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 5310-01-279-2303 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-279-2303 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 5310-01-279-2303 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, May 16, 1988