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 5920-01-509-4780
NSN 5855-00-361-0167
NSN 6105-01-390-2601
NSN 5930-01-355-4885
NSN 5835-00-148-9719
NSN 5985-01-339-9426
NSN 5950-01-420-0828
NSN 5965-01-169-1194
NSN 6240-00-889-5257
NSN 5975-00-256-9436
NSN 2925-01-445-4095
NSN 5996-01-622-8976