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5305-00-253-2596

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-00-253-2596
(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
07/30/1969 (57 years ago)

1.000 inches nominal fastener length, 0.889 inches minimum thread length, 3a thread class, flat chamfer head style, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.889 inches minimum

Fastener Length

1.000 inches nominal

Head Style

flat chamfer

Head Diameter

0.457 inches minimum and 0.469 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 nominal

Thread Quantity Per Inch

18

Minimum Tensile Strength

170000 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 uns k03104 overall

Material Document And Classification

astm a574 assn std single material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,type 2,class 3 fed spec all treatment responses overall

Thread Series Designator

unrc

Specification/Standard Data

80205-nas1352 professional/industrial association standard

Replacement For

Part Number Description
5305-00-723-9414 No Name Available 06/01/1983
5305-01-160-0324 No Name Available 10/01/2006

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 5305-00-253-2596?
The FSCG of the NSN 5305-00-253-2596 is 5305
Does the NSN 5305-00-253-2596 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-253-2596 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 5305-00-253-2596 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-253-2596 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 5305-00-253-2596 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Jul 30, 1969