5306-00-038-1998
Find complete technical information, availability, and procurement data for: 5306-00-038-1998
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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.
3a thread class, 1.720 inches nominal fastener length, hexagon head style, 0.620 inches minimum 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
- 0.620 inches minimum
- Fastener Length
- 1.720 inches nominal
- Head Style
- hexagon
- Head Height
- 0.310 inches nominal
- Width Between Flats
- 0.375 inches nominal
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.100 inches nominal
- Features Provided
- finished head
- Thread Quantity Per Inch
- 20
- Hardness Rating
- 28.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Material
- steel comp 8640 overall
- Material Document And Classification
- sae assn std single material response overall
- Surface Treatment
- cadmium overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-478-8584 | No Name Available | 01/02/1975 |
| 5306-00-695-5787 | No Name Available | 03/27/1968 |
Related Parts
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FAQs
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