4820-14-463-4274

4820-01-390-8721 4820013908721 013908721 is an item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. it is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. one end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. the other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. the handwheel and/or disk may be furnished with the item. excludes stem, faucet; and stem, needle valve.

2815-12-390-8721 2815123908721 123908721 is an item designed to inclose the cylinder bore(s) of an engine block to form a combustion chamber(s). it may have liquid cooling passage(s) and/or air cooling fin(s) and may include valve(s), valve guide(s), rocker arm(s), injector tube(s), and the like. it is a component part of an engine, diesel. see also cylinder head, gasoline engine.

5999-14-390-8721 5999143908721 143908721 is a grouping of two or more physically connected or related electrical an/or electronic parts capable of dissassemblage. each component of the assemblage must be capable of functioning in accordance with its own item name. consists of a single printed circuit board or terminal board upon which are mounted separately manufactured electronic components such as capacitors, inductors, resistors, and the like. it may also include printed electronic components. the item is generally part of a subassembly and cannot be assigned a more definite item name. for items having a complete individual electrical/electronic function, use applicable item name such as amplifier (as modified); power supply; or the like. for items not having a complete individual electrical/electronic function, see applicable subassembly name, such as amplifier subassembly; power supply subassembly; or the like. for an assembly of electrical/electronic components mounted on other than a single printed wiring board, see electronic components assembly. excludes printed circuit boar

6145-00-390-8721 6145003908721 003908721

4820-01-290-4387 4820012904387 012904387 is an item designed to enclose and support the internalpart(s) of a valve.