4820-21-896-5492

: 2 | DAC: 5 24 Jun 1984 5330-20-004-8856 Gasket 232163RNCC: 3 | RNVC: 2 | DAC: 4 9 Jun 2009 4820-21-896-5492

4820-21-903-1914 4820219031914 219031914 is do not use if a more specific item name is applicable.

1660-00-704-0183 1660007040183 007040183 is a regulator providing controlled pressurization of an aircraft cabin and/or compartments by regulating discharge air. consists of a preset automatic pressure controller and a valve which discharges air to the atmosphere. may contain an electric motor driven fan. see controller, air pressure, aircraft cabin.

5320-01-046-3358 5320010463358 010463358 is a metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. a locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. the shank may include an external wrenching facility which breaks off at a predetermined applied torque.

5306-00-818-7516 5306008187516 008187516 is a high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. the head is designed to accommodate an external wrench or driver. 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. the unthreaded portion is of specific 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. a locking feature may be incorporated in the design of the head or threads. see bolt, machine and bolt, clevis.