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 5950-01-054-3215
NSN 5905-01-227-5576
NSN 5999-01-588-7348
NSN 5999-00-861-8969
NSN 6135-00-196-5267
NSN 5905-01-337-2907
NSN 5998-01-333-7593
NSN 5945-00-246-3307
NSN 6240-00-541-7032
NSN 6685-01-532-3197
NSN 6150-00-474-1311
NSN 5990-01-493-4039