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 6150-01-057-5823
NSN 5915-01-548-7679
NSN 6220-01-363-8371
NSN 6105-01-516-1927
NSN 5975-01-604-7046
NSN 5999-01-556-3363
NSN 6150-01-065-2207
NSN 6620-01-361-8685
NSN 5965-01-050-8447
NSN 5950-00-957-4740
NSN 5895-00-239-0458
NSN 6645-01-308-2260