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5305-00-281-3158

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-00-281-3158
(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)

0.595 inches minimum and 0.750 inches maximum thread length, right-hand thread direction, 3a thread class, 0.720 inches minimum and 0.750 inches maximum fastener length, flat chamfer head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.595 inches minimum and 0.750 inches maximum

Fastener Length

0.720 inches minimum and 0.750 inches maximum

Head Style

flat chamfer

Head Diameter

0.550 inches minimum and 0.562 inches maximum

Head Height

0.368 inches minimum and 0.375 inches maximum

Hole Diameter

0.061 inches minimum and 0.067 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.375 inches

Width Across Flats

0.3125 inches minimum and 0.3160 inches maximum

Hole Quantity

3

Hole Type

drilled

Thread Quantity Per Inch

16

Minimum Tensile Strength

170000 pounds per square inch

Hardness Rating

38.0 rockwell c minimum and 45.0 rockwell c maximum overall

Minimum Yield Strength

150000 pounds per square inch

Hole Configuration Style

round internal hexagon

Material

steel overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416 ty 2 cl 3 fed spec single treatment response overall

Thread Series Designator

unc

Nondefinitive Spec/Std Data

6 type

Replacement For

Part Number Description
5305-00-273-6457 No Name Available 02/01/1995

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

0016282

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-281-3158?
The FSCG of the NSN 5305-00-281-3158 is 5305
Does the NSN 5305-00-281-3158 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-281-3158 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 5305-00-281-3158 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-281-3158 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 5305-00-281-3158 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963