5305-01-331-7566
Find complete technical information, availability, and procurement data for: 5305-01-331-7566
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
right-hand thread direction, 1.085 inches minimum and 1.125 inches maximum fastener length, 1.042 inches nominal thread length, flat chamfer head style, 3a thread class
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
- 1.042 inches nominal
- Fastener Length
- 1.085 inches minimum and 1.125 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.550 inches minimum and 0.562 inches maximum
- Head Height
- 0.368 inches minimum and 0.375 inches maximum
- Hole Diameter
- 0.061 inches minimum and 0.067 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.312 inches minimum and 0.316 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 80000 pounds per square inch
- Hardness Rating
- 80.0 rockwell c minimum overall
- Minimum Yield Strength
- 30000 pounds per square inch
- Hole Configuration Style
- round internal hexagon
- Material
- steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- astm a 380 assn std single treatment response 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 |
|---|---|
| NAS1351C6H18 | Socket Head Cap Screw |
FAQs
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