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 5996-01-436-3533
NSN 5920-01-599-8622
NSN 5998-01-509-0150
NSN 5915-01-525-4083
NSN 6105-01-195-1475
NSN 7035-00-312-3055
NSN 6685-00-752-4429
NSN 5920-01-010-4855
NSN 5905-01-142-3362
NSN 2925-01-353-3928
NSN 5990-01-411-8548
NSN 6620-01-067-0536