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 5835-01-618-0760
NSN 5895-01-422-0593
NSN 6130-01-392-6214
NSN 5895-01-433-1128
NSN 6130-01-071-9293
NSN 6240-01-303-6174
NSN 5895-01-134-8291
NSN 5950-01-016-1197
NSN 5905-01-129-8091
NSN 2925-00-073-9375
NSN 5895-01-628-8130
NSN 6620-01-343-6671