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CBS812-3-5

View detailed technical data, stock status, and sourcing information for: CBS812-3-5

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CBS812-3-5
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-005-6717
Item Name Code
06657
Assigment Date
06/30/1975 (51 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

right-hand thread direction, pan no. 2 head style, 0.281 inches minimum and 0.312 inches maximum fastener length, 3a thread class, 0.219 inches minimum and 0.312 inches maximum thread length

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
0.219 inches minimum and 0.312 inches maximum
Fastener Length
0.281 inches minimum and 0.312 inches maximum
Head Style
pan no. 2
Head Diameter
0.357 inches minimum and 0.373 inches maximum
Head Height
0.122 inches minimum and 0.133 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.190 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,finish e300 mil spec single treatment response
Thread Series Designator
unjf

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FAQs

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

What is the FSCG of the NSN 5305-01-005-6717?
The FSCG of the NSN 5305-01-005-6717 is 5305
Does the NSN 5305-01-005-6717 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-005-6717 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 5305-01-005-6717 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-005-6717 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 5305-01-005-6717 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Mon, Jun 30, 1975

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