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5305-00-710-4190

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-710-4190
(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
01/01/1960 (66 years ago)

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

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

0.272 inches minimum and 0.291 inches maximum

Width Between Flats

0.612 inches minimum and 0.625 inches maximum

Nominal Thread Diameter

0.438 inches

Thread Quantity Per Inch

20

Minimum Tensile Strength

120000 pounds per square inch

Hardness Rating

23.0 rockwell c minimum and 32.0 rockwell c maximum overall

Minimum Yield Strength

85000 pounds per square inch

Material

steel overall

Material Document And Classification

sae gr 5 assn std single material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416 ty 2 cl 3 fed spec all treatment responses overall

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-018-1395 No Name Available 06/01/1976
5305-00-018-1666 No Name Available 02/01/1980
5305-00-021-5622 No Name Available 02/13/1967
5306-00-355-1763 No Name Available 10/01/1975
5310-00-470-3557 No Name Available 02/18/1972
5305-00-576-0739 No Name Available 08/11/1967
5305-00-820-1181 No Name Available 10/11/1967

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0018257

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-710-4190?
The FSCG of the NSN 5305-00-710-4190 is 5305
Does the NSN 5305-00-710-4190 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-710-4190 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 5305-00-710-4190 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-710-4190 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 5305-00-710-4190 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960