HT239PB5-6
View detailed technical data, stock status, and sourcing information for: HT239PB5-6
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
high-torque internal drive style, 0.3125 inches nominal thread diameter, 0.442 inches minimum and 0.473 inches maximum head diameter, 3a thread class, 0.3110 inches minimum and 0.3120 inches maximum grip diameter
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
- Head Diameter
- 0.442 inches minimum and 0.473 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.3125 inches
- Grip Length
- 0.734 inches minimum and 0.781 inches maximum
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 63.0 microinches grip
- Surface Finish
- 63.0 microinches threads
- Part Name Assigned By Controlling Agency
- navy special project
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
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 |
|---|---|
| 106750-5-6 | Close Tolerance Screw |
| A147-5-6 | Close Tolerance Screw |
| BM19025-56 | Close Tolerance Screw |
| GB510L5-6 | Close Tolerance Screw |
| HT239PB5-6 | Close Tolerance Screw |
| HT8043-5-6 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-047-2426?
Does the NSN 5305-00-047-2426 have a Schedule B code assigned?
Does NSN 5305-00-047-2426 require demilitarization?
Does NSN 5305-00-047-2426 contain precious materials?
Does NSN 5305-00-047-2426 contain hazardous materials?
When the NSN 5305-00-047-2426 was assigned to the Federal Catalog?
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