5305-01-159-6563

Find complete technical information, availability, and procurement data for: 5305-01-159-6563
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-159-6563

Item Name Code

06660

Assigment Date

08/11/1983 (43 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

right-hand thread direction, 2a thread class, hexagon head style, 0.639 inches minimum and 0.750 inches maximum thread length, 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: 0.639 inches minimum and 0.750 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: hexagon
Head Height: 0.208 inches minimum and 0.230 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
Washer Quantity: 1
Internal Drive Style: w/o internal drive
End Item Identification: truck tractor, 5-ton(m818,m931)truckcargodropside,5-ton
Thread Quantity Per Inch: 18
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Primary Washer Outside Diameter: 0.540 inches minimum and 0.556 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.078 inches nominal
Material: steel overall
Material Document And Classification: sae assn std single material response fastener
Thread Series Designator: unc

FAQs

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

What is the FSCG of the NSN 5305-01-159-6563?

The FSCG of the NSN 5305-01-159-6563 is 5305

Does the NSN 5305-01-159-6563 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-159-6563 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 5305-01-159-6563 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-159-6563 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 5305-01-159-6563 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Aug 11, 1983