5305-01-641-6947

Find complete technical information, availability, and procurement data for: 5305-01-641-6947
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-641-6947

Item Name Code

18257

Assigment Date

01/29/2015 (11 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

2a thread class, 4.0 inches nominal fastener length, 1.0000 inches minimum and 1.3125 inches maximum thread length, right-hand thread direction, hexagon head style

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: 1.0000 inches minimum and 1.3125 inches maximum
Fastener Length: 4.0 inches nominal
Head Style: hexagon
Head Height: 0.250 millimeters nominal
Width Between Flats: 0.5625 millimeters nominal
End Item Identification: mrap - cougar tow; mrap - cougar sabr/tow
Nominal Thread Diameter: 0.3750 inches
Thread Quantity Per Inch: 16
Color: yellow overall
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
91257A640	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-641-6947?

The FSCG of the NSN 5305-01-641-6947 is 5305

Does the NSN 5305-01-641-6947 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-641-6947 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 5305-01-641-6947 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-641-6947 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 5305-01-641-6947 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Thu, Jan 29, 2015