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.
2.281 inches nominal fastener length, hexagon head style, 3a thread class, right-hand thread direction, 0.296 inches minimum and 0.328 inches maximum thread 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
- 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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