ST3M851V3-3D
View detailed technical data, stock status, and sourcing information for: ST3M851V3-3D
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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.
flat countersunk undercut head style, right-hand thread direction, 3a thread class, 0.578 inches minimum and 0.625 inches maximum fastener length, 0.380 inches minimum and 0.447 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
- 0.380 inches minimum and 0.447 inches maximum
- Fastener Length
- 0.578 inches minimum and 0.625 inches maximum
- Head Style
- flat countersunk undercut
- Head Diameter
- 0.377 inches minimum and 0.381 inches maximum
- Head Height
- 0.032 inches minimum and 0.034 inches maximum
- Shoulder Diameter
- 0.2177 inches minimum and 0.2182 inches maximum first shoulder
- Shoulder Length
- 0.144 inches minimum and 0.166 inches maximum first shoulder
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Countersink Angle
- 100.0 degrees nominal
- Shoulder Shape
- round first shoulder
- Material
- titanium alloy overall
- Material Document And Classification
- ams 4967,comp 6al-4v 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 |
|---|---|
| HT4060V3-3 | Shoulder Screw |
| HT4060V3-3D | Shoulder Screw |
| ST3M851V3-3D | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-212-0071?
Does the NSN 5305-01-212-0071 have a Schedule B code assigned?
Does NSN 5305-01-212-0071 require demilitarization?
Does NSN 5305-01-212-0071 contain precious materials?
Does NSN 5305-01-212-0071 contain hazardous materials?
When the NSN 5305-01-212-0071 was assigned to the Federal Catalog?
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