5305-00-398-0172

Find complete technical information, availability, and procurement data for: 5305-00-398-0172
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-398-0172

Item Name Code

01852

Assigment Date

04/15/1974 (52 years ago)

3a thread class, 0.360 inches nominal thread length, 1.030 inches nominal fastener length, hexagon head style, 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
Thread Length: 0.360 inches nominal
Fastener Length: 1.030 inches nominal
Head Style: hexagon
Head Height: 0.140 inches minimum and 0.172 inches maximum
Width Between Flats: 0.428 inches minimum and 0.440 inches maximum
First Diameter From Head: 0.187 inches minimum and 0.193 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.670 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 431 overall
Material Document And Classification: mil-s-18732 mil spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35,ty 2 fed spec 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
411R312H01	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-398-0172?

The FSCG of the NSN 5305-00-398-0172 is 5305

Does the NSN 5305-00-398-0172 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-398-0172 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 5305-00-398-0172 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-398-0172 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 5305-00-398-0172 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Apr 15, 1974