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 6240-01-124-5309
NSN 5835-00-034-4976
NSN 5950-01-200-7693
NSN 5835-01-138-0181
NSN 6610-01-059-5271
NSN 5999-01-311-4470
NSN 6240-01-414-6074
NSN 5930-01-225-3827
NSN 6220-01-268-2913
NSN 5985-00-270-4509
NSN 5965-00-170-5254
NSN 2925-01-432-8452