5306-00-021-4259
Find complete technical information, availability, and procurement data for: 5306-00-021-4259
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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.
1.594 inches minimum and 1.750 inches maximum thread length, 2a thread class, 1.670 inches minimum and 1.750 inches maximum fastener length, right-hand thread direction, undercut hexagon head style
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
- 1.594 inches minimum and 1.750 inches maximum
- Fastener Length
- 1.670 inches minimum and 1.750 inches maximum
- Head Style
- undercut 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
- finished head
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
- Material
- steel overall
- Material Document And Classification
- astm a449,grade 8 assn std single material response or sae j429,grade 8 assn std single material response or gm 300-m mfr ref single material response overall
- Surface Treatment
- cadmium and chromate or zinc overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec 1st treatment response or astm b633,type 1,class 3 assn std 2nd treatment response overall
- Thread Series Designator
- unf
- Specification/Standard Data
- 81349-mil-b-45912 government specification and 96906-ms35764 rev d/inactive/ government standard
- Nondefinitive Spec/Std Data
- b composition
- Departure From Cited Document
- as modified by optional zinc coated surf. treat.
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 |
|---|---|
| 214259 | Machine Bolt |
| 9408997 | Machine Bolt |
| MS35764-1120 | Machine Bolt |
| MS35764-520 | Machine Bolt |
FAQs
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Does NSN 5306-00-021-4259 require demilitarization?
Does NSN 5306-00-021-4259 contain precious materials?
Does NSN 5306-00-021-4259 contain hazardous materials?
When the NSN 5306-00-021-4259 was assigned to the Federal Catalog?
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