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 5950-00-989-9574
NSN 5910-01-004-1534
NSN 6135-00-505-0679
NSN 5855-01-145-8973
NSN 5998-01-302-4430
NSN 5998-01-129-0236
NSN 5895-01-139-4272
NSN 6220-01-202-7954
NSN 5835-01-641-0073
NSN 2925-00-608-0856
NSN 5945-00-553-9963
NSN 6135-01-031-8078