HT4025L4D11
View detailed technical data, stock status, and sourcing information for: HT4025L4D11
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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.
right-hand thread direction, flat countersunk head style, 3a thread class, 1.142 inches minimum and 1.172 inches maximum fastener length, 0.444 inches minimum and 0.494 inches maximum thread length
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
- 0.444 inches minimum and 0.494 inches maximum
- Fastener Length
- 1.142 inches minimum and 1.172 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.497 inches minimum and 0.507 inches maximum
- Grip Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches minimum and 0.081 inches maximum first hole
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.678 inches minimum and 0.698 inches maximum
- Thread Quantity Per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 1.021 inches minimum and 1.061 inches maximum first hole
- Material
- steel corrosion resisting overall
- Surface Treatment
- passivate overall
- Thread Series Designator
- unjf
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 |
|---|---|
| 10125354 | Close Tolerance Screw |
| 11905-4DL11 | Close Tolerance Screw |
| 11905-4LD11 | Close Tolerance Screw |
| HT4025L4D11 | Close Tolerance Screw |
| ST3M454-4DL11 | Close Tolerance Screw |
| ST3M454-4LD11 | Close Tolerance Screw |
| WC4025L-4D11 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-522-9629?
Does the NSN 5305-00-522-9629 have a Schedule B code assigned?
Does NSN 5305-00-522-9629 require demilitarization?
Does NSN 5305-00-522-9629 contain precious materials?
Does NSN 5305-00-522-9629 contain hazardous materials?
When the NSN 5305-00-522-9629 was assigned to the Federal Catalog?
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