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 6220-01-152-3346
NSN 5930-01-166-1507
NSN 7035-00-455-7666
NSN 5950-00-284-7294
NSN 5985-01-323-7236
NSN 5895-00-471-9904
NSN 5835-00-339-3020
NSN 5950-00-320-7726
NSN 5925-00-678-3789
NSN 5935-01-562-4707
NSN 5835-00-061-5717
NSN 6645-01-322-8897