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5305-00-042-8997

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-042-8997
(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)

2a thread class, 0.857 inches minimum thread length, 1.000 inches nominal fastener length, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.857 inches minimum

Fastener Length

1.000 inches nominal

Head Style

hexagon

Head Height

0.262 inches minimum and 0.300 inches maximum

Width Between Flats

0.603 inches minimum and 0.625 inches maximum

Hole Diameter

0.062 inches nominal

Nominal Thread Diameter

0.438 inches

Hole Quantity

1

Hole Type

drilled

Thread Quantity Per Inch

14

Minimum Yield Strength

130000 pounds per square inch

Hole Configuration Style

hexagon flats

Material

steel overall

Thread Series Designator

unc

Replacement For

Part Number Description
5306-00-358-8365 No Name Available 07/20/1967
5305-00-587-2688 No Name Available 08/01/1979

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.

Pseudo Item Name Code

0018257

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-042-8997?
The FSCG of the NSN 5305-00-042-8997 is 5305
Does the NSN 5305-00-042-8997 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-042-8997 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 5305-00-042-8997 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-042-8997 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 5305-00-042-8997 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963