5306-00-021-4257
Find complete technical information, availability, and procurement data for: 5306-00-021-4257
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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.
1.313 inches minimum and 1.375 inches maximum thread length, right-hand thread direction, 1.469 inches minimum and 1.531 inches maximum fastener length, hexagon head style, 2a 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.313 inches minimum and 1.375 inches maximum
- Fastener Length
- 1.469 inches minimum and 1.531 inches maximum
- Head Style
- hexagon
- Head Height
- 0.438 inches minimum and 0.458 inches maximum
- Width Between Flats
- 0.985 inches minimum and 1.000 inches maximum
- Locking Feature
- distortions bearing surface of head
- Nominal Thread Diameter
- 0.750 inches
- Features Provided
- unfinished head
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 302.0 brinell standard minimum and 351.0 brinell standard maximum overall
- Minimum Yield Strength
- 130000 pounds per square inch
- Material
- steel overall
- Surface Treatment
- cadmium or zinc overall
- Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd 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 |
|---|---|
| 214257 | Machine Bolt |
| 5306000214257 | Machine Bolt |
| MIL-B-45912A | Machine Bolt |
| MS35764-1119 | Machine Bolt |
FAQs
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When the NSN 5306-00-021-4257 was assigned to the Federal Catalog?
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