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CBS812-06-6 Machine Screw

5305-00-255-4405

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Official Item Classification

Name
Machine Screw
Part Number
CBS812-06-6
(NSN) National Stock Number
5305-00-255-4405
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
06/20/1973 (53 years ago)

3a thread class, 0.282 inches minimum and 0.375 inches maximum thread length, 0.344 inches minimum and 0.375 inches maximum fastener length, pan head style, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.282 inches minimum and 0.375 inches maximum

Fastener Length

0.344 inches minimum and 0.375 inches maximum

Head Style

pan

Head Diameter

0.256 inches minimum and 0.270 inches maximum

Head Height

0.087 inches minimum and 0.097 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.138 inches

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Screw Material

iron alloy 660

Screw Material Document And Classification

ams 5737 assn std single material response

Screw Surface Treatment

passivate

Screw Surface Treatment Document And Classification

mil-f-14072 e300 mil spec single treatment response

Thread Series Designator

unjc

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

0006657

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-255-4405?
The FSCG of the NSN 5305-00-255-4405 is 5305
Does the NSN 5305-00-255-4405 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-255-4405 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 5305-00-255-4405 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-255-4405 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 5305-00-255-4405 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Wed, Jun 20, 1973