5305-01-013-9431

Find complete technical information, availability, and procurement data for: 5305-01-013-9431
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-013-9431

Item Name Code

29294

Assigment Date

12/11/1975 (50 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

flat countersunk head style, right-hand thread direction, 3a thread class, 1.517 inches minimum and 1.547 inches maximum fastener length, 0.569 inches minimum and 0.619 inches maximum thread length

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: 0.569 inches minimum and 0.619 inches maximum
Fastener Length: 1.517 inches minimum and 1.547 inches maximum
Head Style: flat countersunk
Head Diameter: 0.515 inches minimum and 0.566 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.116 inches maximum first hole
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.928 inches minimum and 0.948 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.306 inches minimum and 1.356 inches maximum first hole
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches grip
Material: titanium alloy uns r54520 overall
Material Document And Classification: nas621,comp 6al-4v 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
110121T6D15	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-013-9431?

The FSCG of the NSN 5305-01-013-9431 is 5305

Does the NSN 5305-01-013-9431 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-013-9431 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 5305-01-013-9431 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-013-9431 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 5305-01-013-9431 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Dec 11, 1975