5305-01-379-4227

Find complete technical information, availability, and procurement data for: 5305-01-379-4227
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-379-4227

Item Name Code

22846

Assigment Date

08/31/1993 (32 years ago)

A headed, cylindrically-shaped item having a solid shank for fitting into corresponding holes, used for aligning or fastening. It may have welding projections. It also may contain holes drilled perpendicular to axial centerline. Excludes:pin, eccentric.

flat chamfer head style, right-hand thread direction, 0.522 inches maximum thread length, 3a thread class, 1.866 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: 0.522 inches maximum
Fastener Length: 1.866 inches nominal
Head Style: flat chamfer
Head Diameter: 0.729 inches minimum and 0.750 inches maximum
Head Height: 0.302 inches minimum and 0.312 inches maximum
Shoulder Diameter: 0.496 inches minimum and 0.498 inches maximum first shoulder
Shoulder Length: 1.245 inches minimum and 1.255 inches maximum first shoulder
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 16
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: mil-s-21472 mil spec all material responses overall
Surface Treatment Document And Classification: mil-std-171, fin 1.9.2.3, .0003 thk mil std single treatment response overall
Thread Series Designator: unc
Departure From Cited Document: as mod by sureface treatment thickness

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
12387306-30	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-379-4227?

The FSCG of the NSN 5305-01-379-4227 is 5305

Does the NSN 5305-01-379-4227 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-379-4227 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 5305-01-379-4227 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-379-4227 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 5305-01-379-4227 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Aug 31, 1993