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 5998-01-634-0604
NSN 5960-00-922-7941
NSN 5935-01-424-9954
NSN 5960-00-816-4659
NSN 6150-01-122-3924
NSN 4140-00-602-5973
NSN 6685-01-029-3773
NSN 5910-01-286-1543
NSN 5945-00-276-7622
NSN 6150-01-441-9359
NSN 5910-01-247-9179
NSN 5965-01-336-9732