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 7035-01-211-5636
NSN 5998-00-361-8697
NSN 6650-00-819-1165
NSN 7035-01-068-4175
NSN 5950-01-469-9563
NSN 5965-01-457-3543
NSN 5855-00-862-3345
NSN 5998-01-118-2783
NSN 6650-00-399-9256
NSN 4140-01-293-8257
NSN 2925-00-546-3129
NSN 5945-01-079-5854