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 5895-01-318-3374
NSN 5975-00-985-0832
NSN 6650-01-627-7681
NSN 5950-01-522-2694
NSN 5990-01-561-7802
NSN 5855-01-346-7682
NSN 6685-01-395-9156
NSN 5930-01-006-3520
NSN 6150-01-617-8621
NSN 5935-01-625-0454
NSN 6620-00-940-0859
NSN 5925-01-517-1171