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 5910-01-231-9507
NSN 6240-01-035-8525
NSN 6105-01-060-6992
NSN 6610-01-643-2315
NSN 5990-01-561-7802
NSN 6220-01-420-7812
NSN 6685-00-114-8787
NSN 6220-01-449-2014
NSN 4140-00-281-4493
NSN 6650-01-375-4769
NSN 5950-01-406-4366
NSN 5965-00-908-1402