WC744-8D66
View detailed technical data, stock status, and sourcing information for: WC744-8D66
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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.
spline drive shear head head style, right-hand thread direction, 3a thread class, 4.568 inches minimum and 4.588 inches maximum fastener length, 0.433 inches minimum and 0.473 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
- 0.433 inches minimum and 0.473 inches maximum
- Fastener Length
- 4.568 inches minimum and 4.588 inches maximum
- Head Style
- spline drive shear head
- Head Height
- 0.281 inches nominal
- Width Between Flats
- 0.774 inches minimum and 0.782 inches maximum
- Grip Diameter
- 0.4990 inches minimum and 0.4995 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 4.115 inches minimum and 4.135 inches maximum
- Thread Quantity Per Inch
- 20
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 4.443 inches minimum and 4.473 inches maximum all holes
- Material
- steel comp xm-13 overall
- Material Document And Classification
- ams 5629 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
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| 10115911 | Close Tolerance Bolt |
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| MB154-8D66 | Close Tolerance Bolt |
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| S406-8D66 | Close Tolerance Bolt |
| SLB748-8D66 | Close Tolerance Bolt |
| ST3M744-8D66 | Close Tolerance Bolt |
| ST3M7448D66 | Close Tolerance Bolt |
| VCG0001-8D66 | Close Tolerance Bolt |
| VS3174-8D66 | Close Tolerance Bolt |
| WC744-8D66 | Close Tolerance Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-133-1571?
Does the NSN 5306-01-133-1571 have a Schedule B code assigned?
Does NSN 5306-01-133-1571 require demilitarization?
Does NSN 5306-01-133-1571 contain precious materials?
Does NSN 5306-01-133-1571 contain hazardous materials?
When the NSN 5306-01-133-1571 was assigned to the Federal Catalog?
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