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 5915-01-314-9441
NSN 5999-01-573-8371
NSN 5985-00-289-9862
NSN 5975-00-979-6528
NSN 5975-00-636-4910
NSN 6240-00-334-6766
NSN 6645-00-171-9251
NSN 5998-01-273-9753
NSN 5925-01-401-5314
NSN 5998-01-281-5423
NSN 6105-01-563-9265
NSN 6650-00-413-6619