5306-01-252-8051
Find complete technical information, availability, and procurement data for: 5306-01-252-8051
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
hexagon head style, 2.281 inches nominal fastener length, 3a thread class, 0.296 inches minimum and 0.328 inches maximum 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
- 0.296 inches minimum and 0.328 inches maximum
- Fastener Length
- 2.281 inches nominal
- Head Style
- hexagon
- Head Height
- 0.156 inches nominal
- Width Between Flats
- 0.500 inches nominal
- Shoulder Diameter
- 0.3104 inches minimum and 0.3110 inches maximum first shoulder
- Shoulder Length
- 1.218 inches nominal first shoulder
- Shank Unthreaded Hole Diameter
- 0.077 inches minimum and 0.082 inches maximum first hole
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 42.0 rockwell c maximum overall
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 2.165 inches nominal first hole
- Shoulder Shape
- round first shoulder
- Material
- steel comp 1095 or steel comp 4130 or steel comp 4140 or steel comp 4340 or steel comp 6150 or steel comp 8740 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2 class 2 fed spec single treatment response overall
- 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 |
|---|---|
| 123CM41009 | Shoulder Bolt |
| 123CM41009-611 | Shoulder Bolt |
FAQs
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