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 6645-00-948-9763
NSN 5985-01-319-5158
NSN 5905-00-978-9339
NSN 6145-01-113-5955
NSN 5855-01-301-0158
NSN 6105-01-226-8125
NSN 5920-01-611-9803
NSN 6130-01-185-6515
NSN 6320-00-925-0558
NSN 5930-00-265-8299
NSN 4140-01-222-2140
NSN 6105-00-161-1834