2805-15-132-5268

4820-01-417-4284 4820014174284 014174284 is a value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. the excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. it is designed primarily for use in refrigeration and air conditioning systems. excludes valve, regulating, fluid pressure and valve, calibrated flow.

5310-99-417-4284 5310994174284 994174284

3020-14-417-4284 3020144174284 144174284 is an assembled unit of a chain, roller consisting of side plates, roller(s), bushing(s), or pin(s). it may be a single or double pitch. links containing bushings without rollers shall be as designated by the american national standards institute as "roller chain." excludes link, chain (as modified); and pulley, sash.