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 5925-01-210-7198
NSN 6685-00-256-0240
NSN 2925-00-245-4440
NSN 5998-00-482-0413
NSN 6620-01-340-9425
NSN 5895-00-915-3106
NSN 5895-01-584-1450
NSN 5920-01-378-5470
NSN 6105-00-773-8480
NSN 5998-01-273-5829
NSN 2925-01-025-0082
NSN 6645-01-261-0056