51B464-3A2H
View detailed technical data, stock status, and sourcing information for: 51B464-3A2H
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A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.
0.256 inches minimum and 0.317 inches maximum thread length, hexagon head style, 0.391 inches minimum and 0.432 inches maximum fastener length, right-hand thread direction, 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
- 0.256 inches minimum and 0.317 inches maximum
- Fastener Length
- 0.391 inches minimum and 0.432 inches maximum
- Head Style
- hexagon
- Head Height
- 0.105 inches minimum and 0.125 inches maximum
- Width Between Flats
- 0.365 inches minimum and 0.377 inches maximum
- Hole Diameter
- 0.046 inches nominal
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.115 inches minimum and 0.135 inches maximum
- Hole Quantity
- 3
- Hole Type
- drilled
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Hole Configuration Style
- hexagon corners
- Material
- steel comp e4340 or steel comp 4340 or steel comp 4140 or steel comp 8740 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 2 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 76823-51b464-3a2h manufacturers standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-802-0749 | No Name Available | 03/01/1990 |
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 |
|---|---|
| 51B464-3A2H | Shear Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-933-4583?
Does the NSN 5306-00-933-4583 have a Schedule B code assigned?
Does NSN 5306-00-933-4583 require demilitarization?
Does NSN 5306-00-933-4583 contain precious materials?
Does NSN 5306-00-933-4583 contain hazardous materials?
When the NSN 5306-00-933-4583 was assigned to the Federal Catalog?
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