5305-01-321-4172

Find complete technical information, availability, and procurement data for: 5305-01-321-4172
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-321-4172

Item Name Code

06657

Assigment Date

06/18/1990 (36 years ago)

3a thread class, right-hand thread direction, fillister head style, 0.150 inches minimum thread length, 0.750 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: 0.150 inches minimum
Fastener Length: 0.750 inches nominal
Head Style: fillister
Head Diameter: 0.389 inches minimum and 0.414 inches maximum
Head Height: 0.207 inches minimum and 0.237 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Screw Material: nickel alloy 400 or nickel alloy r-405
Screw Material Document And Classification: qq-n-281 fed spec all material responses
Thread Series Designator: unc

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
GCP-801-36	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-321-4172?

The FSCG of the NSN 5305-01-321-4172 is 5305

Does the NSN 5305-01-321-4172 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-321-4172 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 5305-01-321-4172 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-321-4172 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 5305-01-321-4172 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Mon, Jun 18, 1990