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 2925-01-454-2046
NSN 5855-00-688-9954
NSN 6685-00-679-9965
NSN 5998-01-113-9728
NSN 6105-00-895-4051
NSN 6645-00-710-9518
NSN 6240-00-929-8574
NSN 5950-00-222-4276
NSN 6105-00-011-8083
NSN 5960-01-522-0391
NSN 6645-01-265-8729
NSN 5999-01-110-0020