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 5920-01-618-3375
NSN 6320-00-036-3688
NSN 6220-01-502-8991
NSN 6150-01-258-6585
NSN 5930-01-258-6193
NSN 5985-01-479-5867
NSN 6645-01-303-6792
NSN 5945-00-526-0310
NSN 5895-01-102-5129
NSN 6150-01-068-0557
NSN 5960-01-439-9517
NSN 6240-00-334-6766