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 6645-01-033-5051
NSN 5920-01-630-5502
NSN 5855-01-627-6187
NSN 6685-01-484-8804
NSN 5930-01-380-5973
NSN 5925-01-534-4479
NSN 5950-00-278-1201
NSN 5975-01-029-9006
NSN 5950-00-593-8184
NSN 6685-01-546-7992
NSN 5990-01-127-9294
NSN 6645-00-171-9639