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 6105-01-605-1447
NSN 5835-01-023-8733
NSN 5975-00-176-0197
NSN 6135-01-391-6515
NSN 5945-01-008-9917
NSN 6220-00-681-1678
NSN 5855-01-180-5369
NSN 6620-01-330-8802
NSN 6150-01-169-9571
NSN 5910-01-255-8836
NSN 7035-00-500-7839
NSN 5835-01-122-3489