5305-01-666-3292

Find complete technical information, availability, and procurement data for: 5305-01-666-3292
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-666-3292

Item Name Code

18257

Assigment Date

09/01/2017 (8 years ago)

A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes:insert, screw thread.

0.50 inches nominal fastener length, right-hand thread direction, 2a thread class, hexagon extended washer head style, 0.50 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: 0.50 inches nominal
Fastener Length: 0.50 inches nominal
Head Style: hexagon extended washer
Head Height: 0.115 inches minimum and 0.141 inches maximum
Width Between Flats: 0.244 inches minimum and 0.250 inches maximum
Extended Washer Diameter: 0.322 inches minimum and 0.348 inches maximum
Extended Washer Thickness: 0.019 inches minimum and 0.031 inches maximum
End Item Identification: mrap - m-atv
Nominal Thread Diameter: 0.1640 inches
Thread Quantity Per Inch: 32
Part Name Assigned By Controlling Agency: screw, washer, hex, tf num.8 - 32 x .50 is zc
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
4308577	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-666-3292?

The FSCG of the NSN 5305-01-666-3292 is 5305

Does the NSN 5305-01-666-3292 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-666-3292 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 5305-01-666-3292 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-666-3292 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 5305-01-666-3292 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Fri, Sep 1, 2017