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 5915-01-234-5797
NSN 5990-00-411-6944
NSN 5960-00-916-3859
NSN 6110-01-433-2214
NSN 5920-00-331-0583
NSN 5910-01-401-5279
NSN 5990-01-478-5389
NSN 6645-01-299-7806
NSN 5905-01-416-8633
NSN 6145-01-273-2852
NSN 6240-01-487-7898
NSN 6650-01-529-6721