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 5910-01-265-5956
NSN 5925-01-613-4502
NSN 5990-01-069-8649
NSN 5990-01-221-6361
NSN 5990-00-848-8870
NSN 6130-01-501-6390
NSN 5835-00-233-6327
NSN 6135-00-405-1989
NSN 6320-01-090-8296
NSN 5999-01-173-7750
NSN 7035-00-111-4389
NSN 6110-01-218-5257