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 6685-01-106-3210
NSN 5920-01-505-7409
NSN 5945-00-974-6237
NSN 5996-01-205-3263
NSN 6240-01-067-6457
NSN 5855-01-144-0423
NSN 6620-01-116-2632
NSN 5996-01-462-7339
NSN 6620-01-053-6650
NSN 6150-01-599-2024
NSN 5998-01-607-4399
NSN 7035-01-332-9582