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 4140-01-232-2203
NSN 6135-00-660-8654
NSN 7035-01-452-0396
NSN 6240-01-381-2275
NSN 6145-01-659-8709
NSN 5930-00-760-8443
NSN 5915-00-528-1192
NSN 6105-00-551-3747
NSN 5950-01-117-9370
NSN 5855-01-111-3962
NSN 5975-01-594-0390
NSN 6320-01-433-3953