5305-01-612-3304

Find complete technical information, availability, and procurement data for: 5305-01-612-3304
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-612-3304

Item Name Code

18257

Assigment Date

10/09/2012 (13 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

dished hexagon head style, 2a thread class, 0.611 inches nominal thread length, right-hand thread direction, 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: 2a
Thread Direction: right-hand
Thread Length: 0.611 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: dished hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
End Item Identification: a/s48m-4 ums
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Part Name Assigned By Controlling Agency: screw,cap,hexagon head
Material: steel overall
Material Document And Classification: sae j 429 grade 5 assn std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm f 1941, zinc coating fe/zn, type 3a assn std single treatment response 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
AES01C312750WA2D71	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-612-3304?

The FSCG of the NSN 5305-01-612-3304 is 5305

Does the NSN 5305-01-612-3304 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-612-3304 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 5305-01-612-3304 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-612-3304 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 5305-01-612-3304 was assigned to the Federal Catalog?

It was assigned 13 years ago, on Tue, Oct 9, 2012