5305-00-638-0399

Find complete technical information, availability, and procurement data for: 5305-00-638-0399
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-0399

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

0.125 inches nominal fastener length, headless (setscrew) head style, right-hand thread direction, 0.125 inches maximum thread length, 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: 0.125 inches maximum
Fastener Length: 0.125 inches nominal
Head Style: headless (setscrew)
Point Style: flat
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.094 inches minimum and 0.095 inches maximum
Thread Quantity Per Inch: 32
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-465-5476	No Name Available	09/01/2013
5305-00-638-5625	No Name Available	01/01/1960
5305-00-754-3110	No Name Available	06/26/2013
5305-00-770-3480	No Name Available	04/11/1969

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
158207	Setscrew
AN565A1032H2	Setscrew
MS18065-4	Setscrew
STD3053-48	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-638-0399?

The FSCG of the NSN 5305-00-638-0399 is 5305

Does the NSN 5305-00-638-0399 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-0399 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 5305-00-638-0399 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-0399 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 5305-00-638-0399 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963