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 6105-01-138-4894
NSN 2925-00-831-7024
NSN 2925-00-210-3873
NSN 5985-01-398-3817
NSN 5950-01-535-7015
NSN 5895-00-262-4331
NSN 6220-00-391-1076
NSN 5945-01-113-2749
NSN 5920-01-297-5895
NSN 5910-01-205-7263
NSN 5965-01-522-9247
NSN 5996-00-440-3296