5305-01-398-1426

Find complete technical information, availability, and procurement data for: 5305-01-398-1426
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-398-1426

Item Name Code

22846

Assigment Date

10/26/1994 (31 years ago)

0.625 inches nominal thread length, right-hand thread direction, flat chamfer head style, 3a thread class, 1.875 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: 0.625 inches nominal
Fastener Length: 1.875 inches nominal
Head Style: flat chamfer
Shoulder Diameter: 0.496 inches minimum and 0.498 inches maximum first shoulder
Shoulder Length: 1.250 inches nominal first shoulder
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Shoulder Shape: round first shoulder
Material: steel overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: qq-z-325, type ii, class 3 fed spec all treatment responses overall
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
3176212-C-075	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-398-1426?

The FSCG of the NSN 5305-01-398-1426 is 5305

Does the NSN 5305-01-398-1426 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-398-1426 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 5305-01-398-1426 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-398-1426 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 5305-01-398-1426 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Oct 26, 1994