5306-00-208-7661
Find complete technical information, availability, and procurement data for: 5306-00-208-7661
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A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
3a thread class, right-hand thread direction, dee chamfer head style, 0.550 inches minimum and 0.590 inches maximum thread length, 3.030 inches nominal fastener length
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
- 0.550 inches minimum and 0.590 inches maximum
- Fastener Length
- 3.030 inches nominal
- Head Style
- dee chamfer
- Head Diameter
- 0.770 inches nominal
- Head Height
- 0.120 inches minimum and 0.135 inches maximum
- Distance From Centerline To Flat
- 0.338 inches minimum and 0.342 inches maximum
- First Diameter From Head
- 0.366 inches minimum and 0.368 inches maximum
- Second Diameter From Head
- 0.285 inches minimum and 0.289 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.140 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of Second Diameter
- 2.440 inches minimum and 2.480 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Minimum Yield Strength
- 100000 pounds per square inch
- Externally Relieved Body Diameter Quantity
- 2
- Material
- steel comp 8740 or steel comp 4140 overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-033-0366 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 170090 | Externally Relieved Body Bolt |
FAQs
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Does NSN 5306-00-208-7661 contain precious materials?
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When the NSN 5306-00-208-7661 was assigned to the Federal Catalog?
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