5306-00-637-9144
Find complete technical information, availability, and procurement data for: 5306-00-637-9144
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
0.544 inches minimum and 0.615 inches maximum thread length, 0.615 inches minimum and 0.635 inches maximum fastener length, 3a thread class, right-hand thread direction, hexagon 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
- 0.544 inches minimum and 0.615 inches maximum
- Fastener Length
- 0.615 inches minimum and 0.635 inches maximum
- Head Style
- hexagon
- Head Height
- 0.146 inches minimum and 0.166 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Shank Unthreaded Hole Diameter
- 0.065 inches minimum and 0.072 inches maximum first hole
- Nominal Thread Diameter
- 0.250 inches
- Features Provided
- finished head
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 0.505 inches minimum and 0.525 inches maximum first hole
- Surface Finish
- 63.0 microinches bearing surface of head
- Surface Finish
- 63.0 microinches threads
- Material
- steel comp 8740 overall
- Material Document And Classification
- ams 6322 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams 2400 assn std single treatment response 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 |
|---|---|---|
| 5305-00-639-2679 | No Name Available | 01/01/1961 |
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 |
|---|---|
| AN102008 | Machine Bolt |
FAQs
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Does NSN 5306-00-637-9144 require demilitarization?
Does NSN 5306-00-637-9144 contain precious materials?
Does NSN 5306-00-637-9144 contain hazardous materials?
When the NSN 5306-00-637-9144 was assigned to the Federal Catalog?
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