5305-00-058-9387

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-058-9387

Item Name Code

06672

Assigment Date

01/01/1960 (65 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.

0.735 inches minimum and 0.765 inches maximum fastener length, headless (setscrew) head style, 3a thread class, right-hand thread direction, 0.735 inches minimum and 0.765 inches maximum thread length

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.735 inches minimum and 0.765 inches maximum
Fastener Length: 0.735 inches minimum and 0.765 inches maximum
Head Style: headless (setscrew)
Point Style: half dog
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 18
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel comp 4032 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification: aisi assn std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 3 fed spec all treatment responses overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 5305-00-058-9387

NSN	Name	Date
5305-00-022-3058	No Name Available	02/01/1980

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number	Name
5305000589387	Setscrew
MS51977-66	Setscrew

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5305-00-058-9387

What is the FSCG of the NSN 5305-00-058-9387?

The FSCG of the NSN 5305-00-058-9387 is 5305

Does the NSN 5305-00-058-9387 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-058-9387 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 5305-00-058-9387 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-058-9387 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 5305-00-058-9387 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Fri, Jan 1, 1960