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 6240-01-329-8095
NSN 5945-01-348-3847
NSN 5915-00-488-4800
NSN 5905-00-432-0481
NSN 6645-00-767-6307
NSN 4140-01-583-8047
NSN 6130-00-100-0175
NSN 6685-01-430-2447
NSN 6130-01-174-8432
NSN 6240-01-181-1187
NSN 7035-01-068-4175
NSN 2925-00-314-0252