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 5990-01-268-4268
NSN 6320-01-271-0247
NSN 5910-00-050-6280
NSN 5930-01-350-3124
NSN 5905-01-609-3219
NSN 6320-00-433-2773
NSN 6620-01-187-7267
NSN 5985-01-596-2970
NSN 6685-01-224-9410
NSN 5945-00-176-4750
NSN 5855-01-442-8781
NSN 6150-01-059-1206