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 6105-01-175-6031
NSN 5895-01-297-0956
NSN 7035-01-007-1802
NSN 6150-00-021-8051
NSN 6620-00-273-8735
NSN 5905-01-224-8493
NSN 6105-00-123-1948
NSN 6240-00-753-2031
NSN 6645-01-545-6853
NSN 6620-01-633-3169
NSN 5998-00-153-8206
NSN 7035-01-232-7263