5305-00-451-6471

Find complete technical information, availability, and procurement data for: 5305-00-451-6471
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-451-6471

Item Name Code

06657

Assigment Date

05/27/1971 (55 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.

0.240 inches nominal head diameter, 0.150 inches nominal fastener length, 0.147 inches minimum thread length, 2a thread class, 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: 2a
Thread Direction: right-hand
Thread Length: 0.147 inches minimum
Fastener Length: 0.150 inches nominal
Head Diameter: 0.240 inches nominal
Head Height: 0.050 inches minimum and 0.065 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Screw Material: plastic polyhexamethylene amide
Screw Material Document And Classification: mil-m-20693,comp a,ty 1 mil spec single material response
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
2578598-001A	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-451-6471?

The FSCG of the NSN 5305-00-451-6471 is 5305

Does the NSN 5305-00-451-6471 have a Schedule B code assigned?

Yes, the Schedule B code is 3926909987

Does NSN 5305-00-451-6471 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 5305-00-451-6471 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-451-6471 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 5305-00-451-6471 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Thu, May 27, 1971