5306-01-251-6690
Find complete technical information, availability, and procurement data for: 5306-01-251-6690
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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.
2.910 inches minimum and 2.940 inches maximum fastener length, right-hand thread direction, 0.425 inches nominal thread length, dished hexagon head style, 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
- 0.425 inches nominal
- Fastener Length
- 2.910 inches minimum and 2.940 inches maximum
- Head Style
- dished hexagon
- Head Height
- 0.125 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.429 inches minimum and 0.439 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 2.490 inches minimum and 2.510 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp 4340 or steel comp 8740 overall
- Surface Treatment
- cadmium or chromate overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas6604h40 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-01-251-2912 | No Name Available | 06/01/1992 |
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 |
|---|---|
| NAS6604H40 | Shear Bolt |
FAQs
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Does NSN 5306-01-251-6690 require demilitarization?
Does NSN 5306-01-251-6690 contain precious materials?
Does NSN 5306-01-251-6690 contain hazardous materials?
When the NSN 5306-01-251-6690 was assigned to the Federal Catalog?
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