5306-00-637-8665
Find complete technical information, availability, and procurement data for: 5306-00-637-8665
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An externally threaded fastener whose threaded and unthreaded portions are of one nominal diameter and are separated by a narrow circumferential groove. The head is designed to be held or driven with an inserted driver. Excludes:bolt, shear.
2a thread class, 18 counterbore threads per inch, right-hand thread direction, 1.000 inches minimum thread length, 2.875 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.
- Threads Per Inch
- 18 counterbore
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.000 inches minimum
- Fastener Length
- 2.875 inches nominal
- Head Style
- hexagon
- Head Height
- 0.438 inches nominal
- Width Between Flats
- 1.188 inches minimum and 1.375 inches maximum
- Shoulder Diameter
- 0.990 inches minimum and 1.000 inches maximum
- Shoulder Length
- 0.438 inches nominal
- Concentric Hole Diameter
- 0.250 inches nominal
- Internal Thread Length
- 0.875 inches nominal counterbore
- Nominal Thread Diameter
- 0.750 inches
- Thread Series
- unf counterbore
- Internal Thread Direction
- right-hand counterbore
- Thread Quantity Per Inch
- 10
- Nominal Thread Size
- 0.188 inches counterbore
- Internal Thread Class
- 3b counterbore
- Special Features
- furnished with 1.250 in. dia washer face on head 0.031 in. thick and 0.062 in w undercut 0.010 in. deep between head and shoulder
- Material
- steel overall
- Style Designator
- counterbore threaded
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-318-9447 | No Name Available | 10/01/1975 |
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:
FAQs
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When the NSN 5306-00-637-8665 was assigned to the Federal Catalog?
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