5305-01-071-4589

Find complete technical information, availability, and procurement data for: 5305-01-071-4589
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-071-4589

Item Name Code

16282

Assigment Date

02/08/1979 (47 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.173 inches minimum and 0.203 inches maximum fastener length, 0.142 inches minimum and 0.203 inches maximum thread length, right-hand thread direction, flat chamfer head style, 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: 0.142 inches minimum and 0.203 inches maximum
Fastener Length: 0.173 inches minimum and 0.203 inches maximum
Head Style: flat chamfer
Head Diameter: 0.112 inches minimum and 0.118 inches maximum
Head Height: 0.070 inches minimum and 0.073 inches maximum
Locking Feature: strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.073 inches
Width Across Flats: 0.062 inches minimum and 0.064 inches maximum
Thread Quantity Per Inch: 64
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924 cl 2 or cl 4 mil spec single treatment response overall
Thread Series Designator: unc

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
A320A254-103	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-071-4589?

The FSCG of the NSN 5305-01-071-4589 is 5305

Does the NSN 5305-01-071-4589 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-071-4589 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 5305-01-071-4589 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-071-4589 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 5305-01-071-4589 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Thu, Feb 8, 1979