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522C502006 Hexagon Head Cap Screw

5305-00-068-0510

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Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
522C502006
(NSN) National Stock Number
5305-00-068-0510
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

hexagon head style, 1.000 inches maximum thread length, right-hand thread direction, 1.000 inches nominal fastener length, 2a thread class

Specs & Compatibility

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

Replacement For

Part Number Description
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

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0018257

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Frequently Asked Questions

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