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 6240-01-099-2472
NSN 5930-01-644-1163
NSN 5985-01-362-4678
NSN 5835-00-126-2961
NSN 5950-01-253-8574
NSN 6135-01-014-9755
NSN 5895-00-378-5587
NSN 5905-01-514-0287
NSN 6220-00-231-5778
NSN 5930-01-025-1959
NSN 2925-01-103-9419
NSN 6130-01-580-0809