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 6135-01-216-9771
NSN 5895-01-600-8257
NSN 6620-01-161-3704
NSN 5985-00-248-4978
NSN 6240-01-170-3491
NSN 5996-01-407-7374
NSN 5985-01-403-2835
NSN 6320-00-593-0379
NSN 5920-00-585-0104
NSN 6685-01-088-4821
NSN 5855-00-797-8217
NSN 5985-00-468-7361