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5305-00-543-4372

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-543-4372
(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, 2a thread class, 0.719 inches minimum and 0.750 inches maximum fastener length, 0.563 inches minimum and 0.750 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.563 inches minimum and 0.750 inches maximum

Fastener Length

0.719 inches minimum and 0.750 inches maximum

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

medium mine protected vehicle - ampv; multiple launch rocket system (mlrs); mrap - cougar; armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle

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
5306-00-022-7784 No Name Available 08/01/1979
5305-00-270-0267 No Name Available 04/15/1974
5305-00-331-8033 No Name Available 07/13/1970
5305-01-077-9912 No Name Available 06/01/2006
5305-01-086-9873 No Name Available 03/01/1995
5305-01-193-7503 No Name Available 03/01/1990
5305-01-211-0378 No Name Available 07/01/1991
5306-01-269-8534 No Name Available 05/01/1994

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 5305-00-543-4372?
The FSCG of the NSN 5305-00-543-4372 is 5305
Does the NSN 5305-00-543-4372 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-543-4372 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 5305-00-543-4372 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-543-4372 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 5305-00-543-4372 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963