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 6685-01-541-1021
NSN 5960-01-344-2604
NSN 5960-01-449-1310
NSN 5996-01-322-6770
NSN 6610-01-614-3720
NSN 5920-00-740-3121
NSN 5930-01-411-7123
NSN 5925-01-314-3949
NSN 5985-00-382-0344
NSN 5930-00-157-1382
NSN 5930-00-900-3553
NSN 7035-00-703-3535