5305-01-398-4021

Find complete technical information, availability, and procurement data for: 5305-01-398-4021
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-398-4021

Item Name Code

06672

Assigment Date

11/02/1994 (31 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.

3a thread class, 0.650 inches minimum and 0.660 inches maximum thread length, right-hand thread direction, square head style, 0.860 inches minimum and 0.900 inches maximum fastener length

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: 0.650 inches minimum and 0.660 inches maximum
Fastener Length: 0.860 inches minimum and 0.900 inches maximum
Head Style: square
Head Height: 0.120 inches minimum and 0.140 inches maximum
Width Between Flats: 0.120 inches minimum and 0.125 inches maximum
Point Style: full dog
Internal Drive Style: w/o internal drive
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Material: steel comp 302 overall
Material Document And Classification: qq-s-763, comp 302 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
3180572-1	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-398-4021?

The FSCG of the NSN 5305-01-398-4021 is 5305

Does the NSN 5305-01-398-4021 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-398-4021 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 5305-01-398-4021 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-398-4021 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 5305-01-398-4021 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Nov 2, 1994