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5305-00-071-2076

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-071-2076
(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
01/01/1961 (65 years ago)

3.156 inches minimum and 3.250 inches maximum fastener length, 1.250 inches minimum and 1.442 inches maximum thread length, 2a thread class, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.250 inches minimum and 1.442 inches maximum

Fastener Length

3.156 inches minimum and 3.250 inches maximum

Head Style

hexagon

Head Height

0.302 inches minimum and 0.323 inches maximum

Width Between Flats

0.736 inches minimum and 0.750 inches maximum

End Item Identification

mrap rg-33 auv; a4 bradley fighting vehicle; a3 bradley fighting vehicle

Nominal Thread Diameter

0.500 inches

Thread Quantity Per Inch

13

Minimum Tensile Strength

150000 pounds per square inch

Hardness Rating

32.0 rockwell c minimum and 38.0 rockwell c maximum overall

Surface Finish

63.0 microinches threads

Material

steel overall

Material Document And Classification

saej429 grade 8 assn std single material response or astma354 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
5305-00-012-2491 No Name Available 07/05/2005
5305-00-021-3830 No Name Available 10/21/1998
5305-00-057-1038 No Name Available 03/25/1987
5305-00-071-1773 No Name Available 11/01/1991
5305-00-576-0535 No Name Available 11/01/1980

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 5305-00-071-2076?
The FSCG of the NSN 5305-00-071-2076 is 5305
Does the NSN 5305-00-071-2076 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-071-2076 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 5305-00-071-2076 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-071-2076 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 5305-00-071-2076 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961