NK3DD3
View detailed technical data, stock status, and sourcing information for: NK3DD3
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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.
right-hand thread direction, 0.453 inches minimum and 0.500 inches maximum fastener length, 3a thread class, 0.375 inches minimum and 0.454 inches maximum thread length, 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.375 inches minimum and 0.454 inches maximum
- Fastener Length
- 0.453 inches minimum and 0.500 inches maximum
- Head Style
- hexagon
- Head Height
- 0.109 inches minimum and 0.141 inches maximum
- Width Between Flats
- 0.365 inches minimum and 0.377 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.046 inches minimum and 0.078 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 62000 pounds per square inch
- Material
- aluminum alloy overall
- Material Document And Classification
- qq-a-200 fed spec single material response or qq-a-225 fed spec single material response or qq-a-430 fed spec single material response overall
- Surface Treatment
- oxide film and anodize overall
- Surface Treatment Document And Classification
- mil-c-5541 mil spec 1st treatment response and mil-a-8625 mil spec 2nd treatment response overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-060-9643 | No Name Available | 09/08/1970 |
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 |
|---|---|
| NK3DD3 | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-124-3028?
Does the NSN 5306-00-124-3028 have a Schedule B code assigned?
Does NSN 5306-00-124-3028 require demilitarization?
Does NSN 5306-00-124-3028 contain precious materials?
Does NSN 5306-00-124-3028 contain hazardous materials?
When the NSN 5306-00-124-3028 was assigned to the Federal Catalog?
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