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 7035-01-590-6064
NSN 5975-01-367-1859
NSN 5905-00-902-0663
NSN 6645-01-470-9599
NSN 5930-01-230-2482
NSN 6620-01-096-3723
NSN 5920-01-200-9318
NSN 6105-00-377-3943
NSN 5920-00-967-1396
NSN 5945-00-333-2437
NSN 5915-01-497-4671
NSN 5935-00-159-0178