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5305-01-246-5771

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-246-5771
(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
12/16/1986 (39 years ago)

hexagon head style, 1.318 inches minimum and 1.500 inches maximum thread length, right-hand thread direction, 2a thread class, 1.500 inches nominal fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.318 inches minimum and 1.500 inches maximum

Fastener Length

1.500 inches nominal

Head Style

hexagon

Head Height

0.378 inches minimum and 0.403 inches maximum

Width Between Flats

0.922 inches minimum and 0.938 inches maximum

Nominal Thread Diameter

0.625 inches

Thread Quantity Per Inch

11

Minimum Tensile Strength

80000 pounds per square inch

Hardness Rating

80.0 rockwell c minimum overall

Minimum Yield Strength

40000 pounds per square inch

Material

nickel alloy 400 overall

Material Document And Classification

qq-n-281 fed spec all material responses overall

Thread Series Designator

unc

Replacement For

Part Number Description
5305-01-343-1762 No Name Available 04/01/1997

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 5305-01-246-5771?
The FSCG of the NSN 5305-01-246-5771 is 5305
Does the NSN 5305-01-246-5771 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5305-01-246-5771 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 5305-01-246-5771 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-246-5771 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 5305-01-246-5771 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Tue, Dec 16, 1986