HT4078-3-10D
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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.
3a thread class, 1.015 inches minimum and 1.062 inches maximum fastener length, flat countersunk undercut head style, 0.380 inches minimum and 0.447 inches maximum thread length, right-hand thread direction
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
- 0.380 inches minimum and 0.447 inches maximum
- Fastener Length
- 1.015 inches minimum and 1.062 inches maximum
- Head Style
- flat countersunk undercut
- Head Diameter
- 0.427 inches minimum and 0.467 inches maximum
- Head Height
- 0.068 inches minimum and 0.070 inches maximum
- Shoulder Diameter
- 0.217 inches minimum and 0.218 inches maximum first shoulder
- Shoulder Length
- 0.545 inches minimum and 0.567 inches maximum first shoulder
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Shoulder Shape
- round first shoulder
- Special Features
- cetyl alcohol lube
- Material
- titanium alloy uns r56400 overall
- Material Document And Classification
- ams 4928 assn std single material response or ams 4967 assn std single material response 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 |
|---|---|
| 3M1082V3-10D | Shoulder Screw |
| HT4078-3-10D | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-220-0200?
Does the NSN 5305-01-220-0200 have a Schedule B code assigned?
Does NSN 5305-01-220-0200 require demilitarization?
Does NSN 5305-01-220-0200 contain precious materials?
Does NSN 5305-01-220-0200 contain hazardous materials?
When the NSN 5305-01-220-0200 was assigned to the Federal Catalog?
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