5306-00-020-0376
Find complete technical information, availability, and procurement data for: 5306-00-020-0376
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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.
double hexagon w/hole head style, 3a thread class, 0.713 inches minimum and 0.733 inches maximum thread length, 0.812 inches nominal fastener 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
- 0.713 inches minimum and 0.733 inches maximum
- Fastener Length
- 0.812 inches nominal
- Head Style
- double hexagon w/hole
- Head Height
- 0.260 inches nominal
- Width Between Flats
- 0.243 inches minimum and 0.251 inches maximum
- Extended Washer Diameter
- 0.375 inches nominal
- Extended Washer Thickness
- 0.060 inches minimum and 0.070 inches maximum
- Hole Diameter
- 0.047 inches nominal
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.079 inches minimum and 0.099 inches maximum
- Hole Quantity
- 4
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 130000 pounds per square inch
- Hardness Rating
- 248.0 brinell standard minimum and 341.0 brinell standard maximum overall
- Minimum Yield Strength
- 85000 pounds per square inch
- Hole Configuration Style
- double hexagon longitudinal hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5737 assn std single material response overall
- Thread Series Designator
- unjf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-143-1378 | No Name Available | 11/01/1987 |
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 |
|---|---|
| STD3061-11 | Machine Bolt |
| STD3061-14 | Machine Bolt |
FAQs
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What is the FSCG of the NSN 5306-00-020-0376?
Does the NSN 5306-00-020-0376 have a Schedule B code assigned?
Does NSN 5306-00-020-0376 require demilitarization?
Does NSN 5306-00-020-0376 contain precious materials?
Does NSN 5306-00-020-0376 contain hazardous materials?
When the NSN 5306-00-020-0376 was assigned to the Federal Catalog?
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