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70256 Hexagon Head Cap Screw

5305-00-018-0145

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Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
70256
(NSN) National Stock Number
5305-00-018-0145
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

Hexagon Head Cap Screw NSN 5305000180145. The Thread Length is Between 1.0in. �1/64"

Specs & Compatibility

Hardness Rating

23.0 rockwell c and 30.0 rockwell c

Minimum Tensile Strength

120000 pounds per square inch

Thread Quantity Per Inch

14

Nominal Thread Diameter

0.438in. �29/64"

Width Between Flats

Between 0.612 inches and 0.625 inches

Head Height

Between 0.272in. and 0.291in. �19/64"

Head Style

Hexagon

Fastener Length

1.0in. �1/64"

Thread Length

Between 1.0in. �1/64"

Thread Class

2a

Thread Direction

Right-hand

Material

Steel

Surface Treatment

Cadmium and chromate or zinc and chromate

Thread Series Designator

Unc

Nondefinitive Spec/std Data

2 type and 10p style and 5 grade

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

0018257

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180145 Hexagon Head Cap Screw
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MS35297-85 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-018-0145?
The FSCG of the NSN 5305-00-018-0145 is 5305
Does the NSN 5305-00-018-0145 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-018-0145 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 5305-00-018-0145 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-018-0145 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 5305-00-018-0145 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
Who is the manufacturer?
general motors corp