5305-01-321-3571
Find complete technical information, availability, and procurement data for: 5305-01-321-3571
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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, 3a thread class, 1.375 inches minimum thread length, 4.920 inches minimum and 5.000 inches maximum fastener length, flat chamfer 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 1.375 inches minimum
- Fastener Length
- 4.920 inches minimum and 5.000 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
- 0.4375 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
- Hardness Rating
- 33.0 rockwell c minimum and 42.0 rockwell c maximum overall
- Minimum Yield Strength
- 120000 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
- Surface Treatment
- silver overall
- Surface Treatment Document And Classification
- ams 2411 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 |
|---|---|
| 20409-003 FIND 38 | Socket Head Cap Screw |
| NAS1351N7H80S | Socket Head Cap Screw |
FAQs
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When the NSN 5305-01-321-3571 was assigned to the Federal Catalog?
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