5305-01-179-1258

Find complete technical information, availability, and procurement data for: 5305-01-179-1258
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-179-1258

Item Name Code

06657

Assigment Date

05/16/1984 (42 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

0.597 inches nominal thread length, flat countersunk head style, 0.750 inches nominal fastener 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: 0.597 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: flat countersunk
Head Diameter: 0.480 inches minimum and 0.531 inches maximum
End Item Identification: 2410-00-808-7100
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Countersink Angle: 80.0 degrees minimum and 84.0 degrees maximum
Screw Material: steel
Thread Series Designator: unrc

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
151-36907	Machine Screw
36907	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-179-1258?

The FSCG of the NSN 5305-01-179-1258 is 5305

Does the NSN 5305-01-179-1258 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-179-1258 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 5305-01-179-1258 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-179-1258 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 5305-01-179-1258 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, May 16, 1984