5305-01-021-1857
Find complete technical information, availability, and procurement data for: 5305-01-021-1857
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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, 0.312 inches nominal thread length, 2a thread class, 0.312 inches nominal 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.312 inches nominal
- Fastener Length
- 0.312 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.208 inches minimum and 0.226 inches maximum
- Head Height
- 0.086 inches minimum and 0.096 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.138 inches
- Features Provided
- casehardened
- Thread Quantity Per Inch
- 40
- Minimum Tensile Strength
- 55000 pounds per square inch
- Screw Material
- steel
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec all treatment responses
- 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 |
|---|---|
| BYRF120 | Machine Screw |
FAQs
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