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CBS813-06-R9 Machine Screw

5305-00-310-6071

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Official Item Classification

Name
Machine Screw
Part Number
CBS813-06-R9
(NSN) National Stock Number
5305-00-310-6071
(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
10/26/1973 (52 years ago)

0.531 inches minimum and 0.562 inches maximum fastener length, flat countersunk head style, 3a thread class, 0.409 inches minimum and 0.502 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.409 inches minimum and 0.502 inches maximum

Fastener Length

0.531 inches minimum and 0.562 inches maximum

Head Style

flat countersunk

Head Diameter

0.238 inches minimum and 0.279 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

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

iron alloy 660

Screw Material Document And Classification

ams 5737 assn std single material response

Thread Series Designator

unjc

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.

Pseudo Item Name Code

0006657

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-310-6071?
The FSCG of the NSN 5305-00-310-6071 is 5305
Does the NSN 5305-00-310-6071 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-310-6071 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 5305-00-310-6071 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-310-6071 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 5305-00-310-6071 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Oct 26, 1973