5305-01-645-2437

Find complete technical information, availability, and procurement data for: 5305-01-645-2437
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-645-2437

Item Name Code

18257

Assigment Date

06/09/2015 (11 years ago)

A bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. Excludes:brace (as modified); bracket, angle; and bracket, double angle. See also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).

2.500 inches nominal thread length, 2a thread class, chamfer serrated flange head style, right-hand thread direction, 2.500 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: 2a
Thread Direction: right-hand
Thread Length: 2.500 inches nominal
Fastener Length: 2.500 inches nominal
Head Style: chamfer serrated flange
Handle Diameter: 0.375 inches nominal
Head Height: 0.391 inches nominal
Width Between Flats: 0.563 inches nominal
Extended Washer Diameter: 0.813 inches nominal
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 115000 pounds per square inch
Hardness Rating: 22.0 rockwell c minimum overall
External Thread Tolerance Class: 2a
Part Name Assigned By Controlling Agency: vibration-resistant serrated head cap screw
Material: steel overall
Surface Treatment: zinc 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
6002389	Hexagon Head Cap Screw
92323A564	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-645-2437?

The FSCG of the NSN 5305-01-645-2437 is 5305

Does the NSN 5305-01-645-2437 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-645-2437 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 5305-01-645-2437 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-645-2437 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 5305-01-645-2437 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Tue, Jun 9, 2015