AN12-57A
View detailed technical data, stock status, and sourcing information for: AN12-57A
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
6.015 inches minimum and 6.062 inches maximum fastener length, hexagon head style, 3a thread class, 1.063 inches minimum and 1.140 inches maximum thread length, right-hand thread direction
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
- 1.063 inches minimum and 1.140 inches maximum
- Fastener Length
- 6.015 inches minimum and 6.062 inches maximum
- Head Style
- hexagon
- Head Height
- 0.390 inches minimum and 0.422 inches maximum
- Width Between Flats
- 1.053 inches minimum and 1.066 inches maximum
- Nominal Thread Diameter
- 0.750 inches
- Grip Length
- 4.922 inches minimum and 4.952 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Material
- steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 4130 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-6758 mil spec 4th material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unf
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| AN12-57A | Machine Bolt |
FAQs
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What is the FSCG of the NSN 5306-00-138-9995?
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Does NSN 5306-00-138-9995 require demilitarization?
Does NSN 5306-00-138-9995 contain precious materials?
Does NSN 5306-00-138-9995 contain hazardous materials?
When the NSN 5306-00-138-9995 was assigned to the Federal Catalog?
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