5305-00-271-2020
Find complete technical information, availability, and procurement data for: 5305-00-271-2020
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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, 0.490 inches minimum and 0.510 inches maximum fastener length, 3a thread class, 0.439 inches minimum and 0.510 inches maximum thread 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
- 0.439 inches minimum and 0.510 inches maximum
- Fastener Length
- 0.490 inches minimum and 0.510 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.428 inches minimum and 0.448 inches maximum
- Head Height
- 0.250 inches minimum and 0.270 inches maximum
- Hole Diameter
- 0.070 inches nominal
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.219 inches minimum and 0.221 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 32.0 rockwell c minimum and 36.0 rockwell c maximum overall
- Hole Configuration Style
- round
- Surface Finish
- 32.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Material
- steel comp 8740 overall
- Material Document And Classification
- ams 6322 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams 2400 assn std 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 |
|---|---|
| AN148656 | Socket Head Cap Screw |
FAQs
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Does NSN 5305-00-271-2020 contain precious materials?
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When the NSN 5305-00-271-2020 was assigned to the Federal Catalog?
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