5305-00-978-9378
Find complete technical information, availability, and procurement data for: 5305-00-978-9378
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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.
3a thread class, 0.369 inches minimum and 0.500 inches maximum thread length, 0.469 inches minimum and 0.500 inches maximum fastener length, right-hand thread direction, 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
- 0.369 inches minimum and 0.500 inches maximum
- Fastener Length
- 0.469 inches minimum and 0.500 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-174-3995 | No Name Available | 09/01/1982 |
| 5305-00-285-5686 | No Name Available | 10/01/1982 |
| 5305-00-480-6119 | No Name Available | 02/01/1971 |
| 5305-00-816-2230 | No Name Available | 12/30/1968 |
| 5305-00-845-4058 | No Name Available | 01/01/1983 |
| 5305-01-012-2663 | No Name Available | 07/01/1977 |
| 5305-01-023-1927 | No Name Available | 09/01/1982 |
| 5305-01-165-2398 | No Name Available | 05/01/1985 |
Related Parts
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| Part Number | Name |
|---|---|
| 10484712 | Socket Head Cap Screw |
| 3X2 | Socket Head Cap Screw |
| 402352013 | Socket Head Cap Screw |
| 5305009789378 | Socket Head Cap Screw |
| 701-448 | Socket Head Cap Screw |
| 852489-00 | Socket Head Cap Screw |
| MS 16997-58 | Socket Head Cap Screw |
| MS16997-58 | Socket Head Cap Screw |
| SP-59 PIECE 25X | Socket Head Cap Screw |
FAQs
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When the NSN 5305-00-978-9378 was assigned to the Federal Catalog?
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