5305-01-318-5291

Find complete technical information, availability, and procurement data for: 5305-01-318-5291
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-318-5291

Item Name Code

06672

Assigment Date

04/19/1990 (36 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.

flat chamfer head style, 0.496 inches minimum and 0.499 inches maximum head diameter, 1.843 inches nominal fastener length, 3a 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: 3a
Thread Direction: right-hand
Fastener Length: 1.843 inches nominal
Head Style: flat chamfer
Head Diameter: 0.496 inches minimum and 0.499 inches maximum
Point Length: 1.531 inches nominal
Point Diameter: 0.218 inches nominal
Point Style: dog
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.125 inches minimum and 0.127 inches maximum
Thread Quantity Per Inch: 24
Material: steel comp 1020 overall
Material Document And Classification: qq-s-631 fed spec single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty2 cl3 assn std single treatment response overall
Thread Series Designator: unf

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
2147376	Setscrew
5305PL0922454	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-318-5291?

The FSCG of the NSN 5305-01-318-5291 is 5305

Does the NSN 5305-01-318-5291 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-318-5291 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 5305-01-318-5291 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-318-5291 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 5305-01-318-5291 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Apr 19, 1990