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 5925-00-344-3156
NSN 5930-00-491-2965
NSN 6610-01-229-3679
NSN 4140-01-492-6596
NSN 6145-00-248-4944
NSN 5855-00-237-4088
NSN 4140-01-053-5359
NSN 6685-01-049-9728
NSN 6645-01-487-8227
NSN 6110-01-061-0598
NSN 5960-01-544-1273
NSN 5935-01-340-4670