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 5915-01-053-2956
NSN 6650-01-076-3922
NSN 6145-01-116-1274
NSN 5975-00-911-8299
NSN 6145-00-804-7882
NSN 6645-01-123-6661
NSN 6240-00-681-2795
NSN 5945-01-451-3910
NSN 7035-01-204-9851
NSN 5920-01-547-4766
NSN 2925-01-643-8395
NSN 4140-01-317-0354