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- FSC 5305 | Screws
- 11839V4-12-21
Model: 11839V4-12-21
Close Tolerance ScrewSpecial Features:
Nthd hole in top of head hole 0.300 in. Min 0.345 in. Max dp; counterbore 0.145 in min lg, 0.150 in. Max lg; 0.060 in. Wide in. Wide in unthreaded shank; distant from top of head to beginning of injection port 0.210
Properties:
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.
Part 11839V4-12-21 NSN 5305-01-266-8584
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
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Schedule B and Export
- Schedule B: 8109900000
- SITC: 69987
- End Use: Finished metal shapes
- NAICS: 331491
- USDA: 1
Freight Class: Zirconium and articles thereof nesoi
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