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 6610-01-521-9801
NSN 5998-01-061-6099
NSN 6150-01-485-2322
NSN 5998-00-426-4841
NSN 7035-01-487-6481
NSN 7035-01-322-0221
NSN 5920-01-535-4089
NSN 6685-01-643-9535
NSN 6645-01-348-8146
NSN 7035-01-003-9142
NSN 5975-00-809-1000
NSN 7035-00-916-9380