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1473342PC79 Hexagon Head Cap Screw

5305-00-068-0509

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Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
1473342PC79
(NSN) National Stock Number
5305-00-068-0509
(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)

1.250 inches nominal fastener length, 2a thread class, right-hand thread direction, hexagon head style, 0.750 inches minimum and 0.938 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.750 inches minimum and 0.938 inches maximum

Fastener Length

1.250 inches nominal

Head Style

hexagon

Head Height

0.150 inches minimum and 0.163 inches maximum

Width Between Flats

0.428 inches minimum and 0.438 inches maximum

End Item Identification

mrap rg-33 and rg-33 auv; multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

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

sae j429,grade8 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
5305-00-010-0111 No Name Available 06/18/2014
5305-00-021-5269 Hexagon Head Cap Screw 07/01/2025
5305-00-022-7449 No Name Available 10/28/1998
5305-00-071-2241 No Name Available 08/01/2006
5305-00-206-6229 No Name Available 01/01/1998
5305-00-515-9352 No Name Available 09/01/1979
5305-00-576-1057 No Name Available 03/07/2017
5305-00-993-8675 No Name Available 10/16/1968
5305-01-194-8738 No Name Available 07/01/1991

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 5305-00-068-0509?
The FSCG of the NSN 5305-00-068-0509 is 5305
Does the NSN 5305-00-068-0509 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-068-0509 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 5305-00-068-0509 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-068-0509 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 5305-00-068-0509 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963