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5305-00-983-5344

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-00-983-5344
(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)

right-hand thread direction, 3a thread class, flat chamfer head style, 0.469 inches minimum and 0.500 inches maximum fastener length, 0.358 inches minimum and 0.500 inches maximum thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.358 inches minimum and 0.500 inches maximum

Fastener Length

0.469 inches minimum and 0.500 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
5305-00-275-5293 No Name Available 07/23/2019
5305-00-871-4556 No Name Available 08/09/1967

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

Related Hardware Products

Part Number Description
2CH418 Socket Head Cap Screw
MS16997-76 Socket Head Cap Screw
XB78 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-983-5344?
The FSCG of the NSN 5305-00-983-5344 is 5305
Does the NSN 5305-00-983-5344 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-983-5344 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 5305-00-983-5344 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-983-5344 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 5305-00-983-5344 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962