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 6105-01-391-4920
NSN 5835-01-519-3834
NSN 5855-01-098-9038
NSN 5930-00-919-8717
NSN 5950-00-963-3778
NSN 5999-01-456-1370
NSN 4140-01-048-5472
NSN 6130-01-596-1202
NSN 5835-01-606-8768
NSN 5925-01-344-0418
NSN 5935-01-251-6723
NSN 6685-01-603-3153