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 6105-01-153-2302
NSN 5945-01-051-6309
NSN 5975-01-230-8385
NSN 6130-01-032-4958
NSN 6105-00-753-8756
NSN 5965-00-519-6966
NSN 5935-00-531-8602
NSN 6105-01-090-5748
NSN 5990-00-975-5298
NSN 5930-01-156-0009
NSN 5990-00-483-8352
NSN 6685-01-367-2927