5305-01-239-2483

Find complete technical information, availability, and procurement data for: 5305-01-239-2483
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-239-2483

Item Name Code

22846

Assigment Date

08/27/1986 (39 years ago)

An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

flat countersunk undercut head style, 3a thread class, 0.702 inches minimum and 0.749 inches maximum fastener length, 0.380 inches minimum and 0.447 inches maximum thread length, 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: 3a
Thread Direction: right-hand
Thread Length: 0.380 inches minimum and 0.447 inches maximum
Fastener Length: 0.702 inches minimum and 0.749 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.338 inches minimum and 0.381 inches maximum
Head Height: 0.032 inches minimum and 0.034 inches maximum
Shoulder Diameter: 0.2177 inches minimum and 0.2182 inches maximum first shoulder
Shoulder Length: 0.2780 inches minimum and 0.2800 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Special Features: cetyl alcohol lube and furnish with one o ring
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams 4928 assn std single material response or ams 4967 assn std single material response overall
Thread Series Designator: unjf

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
HT4060V3-5AS	Shoulder Screw
ST3M851V3-5AS	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-239-2483?

The FSCG of the NSN 5305-01-239-2483 is 5305

Does the NSN 5305-01-239-2483 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-239-2483 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 5305-01-239-2483 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-239-2483 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 5305-01-239-2483 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Aug 27, 1986