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 5915-01-059-0350
NSN 5990-01-573-1634
NSN 5920-01-474-0103
NSN 5960-00-254-1743
NSN 5930-01-223-5157
NSN 5999-00-165-0403
NSN 5996-01-123-9038
NSN 5975-00-836-3376
NSN 5945-01-434-6311
NSN 2925-01-103-7019
NSN 5985-01-659-6017
NSN 4140-01-522-8245