5305-01-646-0468

Find complete technical information, availability, and procurement data for: 5305-01-646-0468
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-646-0468

Item Name Code

18257

Assigment Date

07/10/2015 (11 years ago)

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

hexagon head style, 2a thread class, right-hand thread direction, 4.250 inches nominal fastener length, 1.500 inches nominal thread 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: 1.500 inches nominal
Fastener Length: 4.250 inches nominal
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.922 inches minimum and 0.938 inches maximum
End Item Identification: door, actf el
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Part Name Assigned By Controlling Agency: regular hex 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
15391018	Hexagon Head Cap Screw
588-7666730 ITEM 63	Hexagon Head Cap Screw
J2295J429C2R10-Z68G5	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-646-0468?

The FSCG of the NSN 5305-01-646-0468 is 5305

Does the NSN 5305-01-646-0468 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-646-0468 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 5305-01-646-0468 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-646-0468 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 5305-01-646-0468 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Fri, Jul 10, 2015