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10390319 Socket Head Cap Screw

5305-00-983-6623

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Official Item Classification

Name
Socket Head Cap Screw
Part Number
10390319
(NSN) National Stock Number
5305-00-983-6623
(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
01/01/1962 (64 years ago)

1.349 inches minimum and 1.500 inches maximum thread length, right-hand thread direction, flat chamfer head style, 1.460 inches minimum and 1.500 inches maximum fastener length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.349 inches minimum and 1.500 inches maximum

Fastener Length

1.460 inches minimum and 1.500 inches maximum

Head Style

flat chamfer

Head Diameter

0.457 inches minimum and 0.468 inches maximum

Head Height

0.306 inches minimum and 0.312 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.312 inches

Width Across Flats

0.250 inches minimum and 0.253 inches maximum

Thread Quantity Per Inch

18

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 45.0 rockwell c maximum overall

Minimum Yield Strength

130000 pounds per square inch

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
5305-00-273-5254 No Name Available 07/01/1986
5305-00-421-7753 No Name Available 10/01/1990
5305-00-725-3885 No Name Available 11/05/1969
5305-00-838-1175 No Name Available 01/01/1983

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.

Source of Supply Code

SMS

Pseudo Item Name Code

0016282

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-983-6623?
The FSCG of the NSN 5305-00-983-6623 is 5305
Does the NSN 5305-00-983-6623 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-983-6623 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 5305-00-983-6623 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-983-6623 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 5305-00-983-6623 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962