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5305-00-068-5406

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-00-068-5406
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

0.859 inches minimum and 0.906 inches maximum thread length, flat chamfer head style, 1.234 inches minimum and 1.281 inches maximum fastener length, 3a thread class, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.859 inches minimum and 0.906 inches maximum

Fastener Length

1.234 inches minimum and 1.281 inches maximum

Head Style

flat chamfer

Head Diameter

0.303 inches minimum and 0.313 inches maximum

Head Height

0.185 inches minimum and 0.190 inches maximum

Internal Drive Style

hexagon

End Item Identification

multiple launch rocket system (mlrs)

Nominal Thread Diameter

0.190 inches

Width Across Flats

0.156 inches minimum and 0.159 inches maximum

Thread Quantity Per Inch

32

Minimum Tensile Strength

80000 pounds per square inch

Hardness Rating

80.0 rockwell b minimum overall

Minimum Yield Strength

30000 pounds per square inch

Material

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall

Material Document And Classification

66 fed std all material responses overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-537-5598 No Name Available 01/01/1983
5305-00-616-6841 No Name Available 03/25/1970
5305-00-722-1779 No Name Available 02/01/1983
5305-00-992-5965 No Name Available 07/01/1986

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

0016282

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-068-5406?
The FSCG of the NSN 5305-00-068-5406 is 5305
Does the NSN 5305-00-068-5406 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-068-5406 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 5305-00-068-5406 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-068-5406 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 5305-00-068-5406 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963