5305-01-251-6363
Find complete technical information, availability, and procurement data for: 5305-01-251-6363
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An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
2a thread class, right-hand thread direction, 2.656 inches minimum and 2.750 inches maximum fastener length, 1.250 inches minimum and 1.442 inches maximum thread length, hexagon 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.250 inches minimum and 1.442 inches maximum
- Fastener Length
- 2.656 inches minimum and 2.750 inches maximum
- Head Style
- hexagon
- Head Height
- 0.302 inches minimum and 0.323 inches maximum
- Width Between Flats
- 0.736 inches minimum and 0.750 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Thread Quantity Per Inch
- 13
- 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
- Part Name Assigned By Controlling Agency
- navy special project
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5732 assn std single material response overall
- Thread Series Designator
- unc
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 |
|---|---|
| 145-2650510J22 | Hexagon Head Cap Screw |
FAQs
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