VCG0037-4-20
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An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
0.592 inches nominal thread length, spline extended washer head style, 1.832 inches minimum and 1.852 inches maximum fastener length, 3a thread class, 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
- 0.592 inches nominal
- Fastener Length
- 1.832 inches minimum and 1.852 inches maximum
- Head Style
- spline extended washer
- Head Height
- 0.240 inches minimum and 0.260 inches maximum
- Extended Washer Diameter
- 0.460 inches minimum and 0.470 inches maximum
- Extended Washer Thickness
- 0.026 inches minimum and 0.046 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Head Minor Diameter
- 0.235 inches minimum and 0.250 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.240 inches minimum and 1.260 inches maximum
- Thread Quantity Per Inch
- 28
- Material
- nickel alloy 718 overall
- Material Document And Classification
- ams5662 assn std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment 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 |
|---|---|
| 3D0073-4-20 | Close Tolerance Bolt |
| 84604-4-20 | Close Tolerance Bolt |
| AIC874-4-20 | Close Tolerance Bolt |
| PBF1594-4-20 | Close Tolerance Bolt |
| VCG0037-4-20 | Close Tolerance Bolt |
FAQs
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What is the FSCG of the NSN 5306-01-350-0646?
Does the NSN 5306-01-350-0646 have a Schedule B code assigned?
Does NSN 5306-01-350-0646 require demilitarization?
Does NSN 5306-01-350-0646 contain precious materials?
Does NSN 5306-01-350-0646 contain hazardous materials?
When the NSN 5306-01-350-0646 was assigned to the Federal Catalog?
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