5305-00-978-9380
Find complete technical information, availability, and procurement data for: 5305-00-978-9380
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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.
flat chamfer head style, 0.744 inches minimum and 0.874 inches maximum thread length, 0.844 inches minimum and 0.875 inches maximum fastener length, right-hand thread direction, 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
- 0.744 inches minimum and 0.874 inches maximum
- Fastener Length
- 0.844 inches minimum and 0.875 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.188 inches minimum and 0.190 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Minimum Yield Strength
- 130000 pounds per square inch
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 6 type
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-042-7190 | No Name Available | 11/21/2003 |
| 5305-00-271-5115 | No Name Available | 12/01/1982 |
| 5305-00-403-6485 | No Name Available | 11/16/1970 |
| 5305-00-456-9580 | No Name Available | 08/07/1974 |
| 5305-00-989-0843 | No Name Available | 11/08/1968 |
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 |
|---|---|
| 213039-37 | Socket Head Cap Screw |
| 5305009789380 | Socket Head Cap Screw |
| 6789 1/4X78 L0N G NC | Socket Head Cap Screw |
| MS 16997-61 | Socket Head Cap Screw |
FAQs
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When the NSN 5305-00-978-9380 was assigned to the Federal Catalog?
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