726726-3
View detailed technical data, stock status, and sourcing information for: 726726-3
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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, 3.330 inches nominal fastener length, 0.890 inches minimum and 0.950 inches maximum thread length, 3a thread class, double hexagon w/hole 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
- 0.890 inches minimum and 0.950 inches maximum
- Fastener Length
- 3.330 inches nominal
- Head Style
- double hexagon w/hole
- Head Height
- 0.388 inches nominal
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Extended Washer Diameter
- 0.639 inches minimum and 0.649 inches maximum
- Extended Washer Thickness
- 0.091 inches nominal
- Shank Unthreaded Hole Diameter
- 0.099 inches minimum and 0.114 inches maximum all holes
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 2.380 inches minimum and 2.440 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 40.0 rockwell c minimum and 44.0 rockwell c maximum overall
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 3.130 inches nominal all holes
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches head
- Special Features
- 2 holes intersecting 90 degrees apart
- Material
- steel comp 8740 overall
- Material Document And Classification
- ams6322 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams2401 assn std single treatment response overall
- Thread Series Designator
- unjf
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 |
|---|---|
| 726726-3 | Machine Bolt |
FAQs
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Does NSN 5306-01-077-4827 require demilitarization?
Does NSN 5306-01-077-4827 contain precious materials?
Does NSN 5306-01-077-4827 contain hazardous materials?
When the NSN 5306-01-077-4827 was assigned to the Federal Catalog?
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