5305-00-068-0510

Find complete technical information, availability, and procurement data for: 5305-00-068-0510
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-068-0510

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

1.000 inches nominal fastener length, hexagon head style, 2a thread class, right-hand thread direction, 1.000 inches maximum 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: 1.000 inches maximum
Fastener Length: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
End Item Identification: mrap-rg-33; rg-33 auv; mrap buffalo mk2a2; m-atv w/cs13 pop; mrap - cougar cat1 a2; medium mine protected vehicle - ampv; multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle; high-mobility artillery rocket system (himars)
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 39.0 rockwell c maximum overall
Minimum Yield Strength: 120000 pounds per square inch
Material: steel overall
Material Document And Classification: saej429 grade 8 assn std single material response or astm a354 grade bd assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-004-3118	No Name Available	05/20/1973
5306-00-055-5440	No Name Available	06/06/1967
5305-00-128-7646	No Name Available	05/20/1973
5306-00-514-6542	No Name Available	11/01/1979
5305-01-193-9247	No Name Available	08/01/1987
5305-01-251-0756	No Name Available	06/01/2002
5305-01-305-8559	No Name Available	08/09/1991
5305-01-556-3973	No Name Available	01/01/2009

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:

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FAQs

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

What is the FSCG of the NSN 5305-00-068-0510?

The FSCG of the NSN 5305-00-068-0510 is 5305

Does the NSN 5305-00-068-0510 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-068-0510 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 5305-00-068-0510 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-068-0510 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 5305-00-068-0510 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963