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 5945-01-187-7421
NSN 5965-00-603-9306
NSN 5855-01-492-9795
NSN 5990-00-254-4825
NSN 6320-01-624-0193
NSN 6150-00-763-5067
NSN 7035-01-155-0153
NSN 6145-01-086-1189
NSN 6130-01-374-8291
NSN 6320-01-176-8367
NSN 7035-01-018-9629
NSN 6130-00-484-7973