CBS812-08-12

View detailed technical data, stock status, and sourcing information for: CBS812-08-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-071-6481

Item Name Code

06657

Assigment Date

02/13/1979 (47 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.719 inches minimum and 0.750 inches maximum fastener length, right-hand thread direction, pan head style, 0.657 inches minimum and 0.750 inches maximum thread length, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.657 inches minimum and 0.750 inches maximum
Fastener Length: 0.719 inches minimum and 0.750 inches maximum
Head Style: pan
Head Diameter: 0.306 inches minimum and 0.322 inches maximum
Head Height: 0.105 inches minimum and 0.115 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 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: qq-p-35 fed spec single treatment response
Thread Series Designator: unjc

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CBS812-08-12	Machine Screw
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FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-071-6481?

The FSCG of the NSN 5305-01-071-6481 is 5305

Does the NSN 5305-01-071-6481 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-071-6481 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 5305-01-071-6481 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-071-6481 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 5305-01-071-6481 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Feb 13, 1979