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 6105-01-305-9118
NSN 5895-00-141-9127
NSN 6130-01-459-0338
NSN 6685-00-317-4319
NSN 6685-01-419-6255
NSN 5999-01-575-9405
NSN 5965-01-572-7803
NSN 5950-00-267-4170
NSN 2925-01-063-7876
NSN 5895-00-367-4282
NSN 5960-00-729-5343
NSN 6135-01-333-2540