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 6320-01-246-4390
NSN 6620-01-281-6386
NSN 5895-00-518-4954
NSN 5895-01-388-2069
NSN 6610-01-386-7542
NSN 5965-01-168-8180
NSN 6135-01-062-9356
NSN 5965-01-243-5494
NSN 6150-01-068-9992
NSN 5985-01-026-1990
NSN 5920-01-353-5340
NSN 5835-01-412-0344