A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5855-01-112-7725
NSN 5925-00-383-5382
NSN 7035-01-271-1643
NSN 5930-00-356-3392
NSN 5975-00-296-2036
NSN 6145-00-500-5679
NSN 5915-01-303-6560
NSN 5960-00-331-7365
NSN 6320-00-004-9158
NSN 6650-01-507-7004
NSN 5935-01-169-5297
NSN 6650-00-162-0951