5305-01-393-0785

Find complete technical information, availability, and procurement data for: 5305-01-393-0785
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-393-0785

Item Name Code

29294

Assigment Date

07/13/1994 (32 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.

flat countersunk head style, 1.016 inches minimum and 1.046 inches maximum fastener length, 0.469 inches nominal thread length, right-hand thread direction, 3a thread class

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: 0.469 inches nominal
Fastener Length: 1.016 inches minimum and 1.046 inches maximum
Head Style: flat countersunk
Head Diameter: 0.577 inches minimum and 0.635 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
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:

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03A174-5-9	Close Tolerance Screw
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AIC1652-5-9	Close Tolerance Screw
HR240-5-9	Close Tolerance Screw
PBF1417-5-9	Close Tolerance Screw
SC3102-5-9	Close Tolerance Screw
SLB146-5-9	Close Tolerance Screw
T009-5-9	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-393-0785?

The FSCG of the NSN 5305-01-393-0785 is 5305

Does the NSN 5305-01-393-0785 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-393-0785 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 5305-01-393-0785 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-393-0785 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 5305-01-393-0785 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Jul 13, 1994