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 6240-01-406-4042
NSN 5996-00-325-6285
NSN 5925-00-597-1558
NSN 5945-00-103-9592
NSN 5998-01-313-3231
NSN 5905-01-356-4098
NSN 5835-00-764-1895
NSN 5998-01-245-6382
NSN 6105-01-522-6915
NSN 6645-00-173-2800
NSN 5930-00-597-5064
NSN 2925-01-122-7812