522C507012

View detailed technical data, stock status, and sourcing information for: 522C507012
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-922-7994

Item Name Code

18257

Assigment Date

01/09/1966 (60 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.

hexagon head style, 2.406 inches minimum and 2.500 inches maximum thread length, right-hand thread direction, 2.406 inches minimum and 2.500 inches maximum fastener length, 2a thread class

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: 2.406 inches minimum and 2.500 inches maximum
Fastener Length: 2.406 inches minimum and 2.500 inches maximum
Head Style: hexagon
Head Height: 0.455 inches minimum and 0.483 inches maximum
Width Between Flats: 1.100 inches minimum and 1.125 inches maximum
End Item Identification: mrap-rg-33 armored utility vehicle (auv); multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 10
Minimum Tensile Strength: 150000 pounds per square inch
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae j429 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
5305-00-022-3452	No Name Available	03/01/1980
5305-00-022-3529	No Name Available	08/01/1979
5305-00-530-9297	No Name Available	01/01/1983
5305-00-637-4637	No Name Available	11/01/1982
5305-00-809-1560	No Name Available	02/10/1967
5305-00-929-9218	No Name Available	10/01/1982

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
10386528	Hexagon Head Cap Screw
1135E19FN188	Hexagon Head Cap Screw
12489929	Hexagon Head Cap Screw
223529	Hexagon Head Cap Screw
3HA875	Hexagon Head Cap Screw
522C507-012	Hexagon Head Cap Screw
522C507012	Hexagon Head Cap Screw
5305009227994	Hexagon Head Cap Screw
5305PL0944129	Hexagon Head Cap Screw
AES01C750B50AW9A91	Hexagon Head Cap Screw
B1821BH075C250N	Hexagon Head Cap Screw
E108186 PART NO 277	Hexagon Head Cap Screw
MS90728-189	Hexagon Head Cap Screw
WG103908	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-922-7994?

The FSCG of the NSN 5305-00-922-7994 is 5305

Does the NSN 5305-00-922-7994 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5305-00-922-7994 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 5305-00-922-7994 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-922-7994 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 5305-00-922-7994 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Sun, Jan 9, 1966