5305-01-342-4940
Find complete technical information, availability, and procurement data for: 5305-01-342-4940
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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.
3a thread class, 2.460 inches minimum and 2.500 inches maximum fastener length, flat chamfer head style, right-hand thread direction, 1.375 inches minimum 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
- 1.375 inches minimum
- Fastener Length
- 2.460 inches minimum and 2.500 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.642 inches minimum and 0.656 inches maximum
- Head Height
- 0.430 inches minimum and 0.437 inches maximum
- Hole Diameter
- 0.061 inches minimum and 0.067 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.438 inches
- Width Across Flats
- 0.375 inches minimum and 0.379 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hole Configuration Style
- round internal hexagon
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5731 assn std single material response or ams 5737 assn std single material response overall
- Precious Material And Location
- overall silver
- Precious Material
- silver
- Surface Treatment
- silver overall
- Thread Series Designator
- unrf
- Specification/Standard Data
- 80205-nas1351 professional/industrial association standard
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 |
|---|---|
| NAS1351N7H40S | Socket Head Cap Screw |
FAQs
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