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 6240-00-478-3858
NSN 6150-00-136-6496
NSN 6240-01-560-6424
NSN 5985-01-306-2927
NSN 5999-01-191-1143
NSN 6650-01-429-6692
NSN 5910-01-088-6848
NSN 5895-00-421-9850
NSN 5999-00-990-6778
NSN 6130-00-301-1185
NSN 5975-01-427-3521
NSN 5965-00-170-8676