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 5935-01-091-7368
NSN 5835-00-393-1996
NSN 5975-01-354-9673
NSN 5925-01-168-7812
NSN 6150-01-170-4065
NSN 5905-01-468-9625
NSN 6105-01-659-2444
NSN 5960-01-171-1664
NSN 5915-00-407-6043
NSN 6130-01-157-9307
NSN 5915-01-475-2332
NSN 5990-00-199-0081