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 6220-00-456-2911
NSN 5895-01-431-8612
NSN 6645-00-216-6126
NSN 6130-01-480-6042
NSN 5960-00-314-0991
NSN 5975-01-346-8145
NSN 6650-01-210-5090
NSN 4140-01-407-1139
NSN 5996-01-470-1404
NSN 6685-01-244-1522
NSN 6150-01-171-2437
NSN 5925-01-506-2508