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 5895-01-384-0611
NSN 6645-01-466-2083
NSN 6320-01-292-6635
NSN 6240-01-421-4025
NSN 6145-01-323-4256
NSN 5990-01-411-4596
NSN 6105-01-406-2828
NSN 6135-01-255-9129
NSN 5975-01-441-7064
NSN 6645-01-532-1408
NSN 2925-01-442-4171
NSN 6150-00-164-6745