264638
View detailed technical data, stock status, and sourcing information for: 264638
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An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.
hexagon head style, right-hand thread direction, 3a thread class, 1.875 inches nominal thread length, 6.865 inches minimum and 6.885 inches maximum fastener length
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
- 1.875 inches nominal
- Fastener Length
- 6.865 inches minimum and 6.885 inches maximum
- Head Style
- hexagon
- Head Height
- 0.312 inches nominal
- Width Between Flats
- 0.438 inches nominal
- Hole Diameter
- 0.063 inches nominal
- First Diameter From Head
- 0.498 inches minimum and 0.499 inches maximum
- Second Diameter From Head
- 0.365 inches minimum and 0.385 inches maximum
- Third Diameter From Head
- 0.498 inches minimum and 0.499 inches maximum
- Fourth Diameter From Head
- 0.740 inches minimum and 0.760 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.500 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of Second Diameter
- 3.220 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of Third Diameter
- 4.158 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
- 4.220 inches nominal
- Nominal Thread Diameter
- 0.500 inches
- Hole Quantity
- 1
- Hole Type
- drilled
- Thread Quantity Per Inch
- 20
- Hole Configuration Style
- hexagon flats
- Externally Relieved Body Diameter Quantity
- 4
- Part Name Assigned By Controlling Agency
- navy special project
- Thread Series Designator
- unf
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 |
|---|---|
| 264638 | Externally Relieved Body Bolt |
FAQs
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When the NSN 5306-00-094-4542 was assigned to the Federal Catalog?
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