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 6610-01-558-1815
NSN 5920-01-563-2010
NSN 5895-01-239-9386
NSN 4140-00-570-6545
NSN 5835-01-286-6499
NSN 5990-00-011-2994
NSN 6240-01-244-0709
NSN 4140-01-123-0262
NSN 5835-01-282-2421
NSN 5855-01-103-8650
NSN 5910-01-082-7573
NSN 5855-01-493-5907