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 5855-00-107-7993
NSN 5950-01-328-8983
NSN 7035-01-420-5404
NSN 5975-01-210-0877
NSN 5905-01-171-8661
NSN 5915-01-608-7428
NSN 4140-01-336-3626
NSN 5855-01-205-7030
NSN 5975-01-421-4474
NSN 6110-01-559-4154
NSN 6105-00-840-6433
NSN 6110-00-538-8452