5305-00-174-0621

Find complete technical information, availability, and procurement data for: 5305-00-174-0621
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-174-0621

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

hexagon head style, 0.332 inches minimum and 0.372 inches maximum thread length, 3a thread class, right-hand thread direction, 0.513 inches nominal 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: 0.332 inches minimum and 0.372 inches maximum
Fastener Length: 0.513 inches nominal
Head Style: hexagon
Head Height: 0.180 inches minimum and 0.194 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Screw Material: steel
Screw Surface Treatment: zinc
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
180836PC2	Machine Screw
MILB857CLATYPEB	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-174-0621?

The FSCG of the NSN 5305-00-174-0621 is 5305

Does the NSN 5305-00-174-0621 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-174-0621 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 5305-00-174-0621 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-174-0621 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 5305-00-174-0621 was assigned to the Federal Catalog?

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