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 5910-01-164-5590
NSN 6620-01-334-5815
NSN 5930-01-244-1010
NSN 6135-01-596-8904
NSN 5855-01-060-2820
NSN 6645-01-224-0101
NSN 5930-00-926-7544
NSN 7035-00-111-4389
NSN 5895-01-013-6102
NSN 5975-01-244-0942
NSN 5920-01-205-1631
NSN 6220-00-961-0783