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 5975-01-091-3922
NSN 5975-00-081-2171
NSN 7035-00-782-7046
NSN 5950-01-408-4556
NSN 6685-00-979-6257
NSN 5925-01-524-7485
NSN 6320-01-397-9995
NSN 6620-01-328-6621
NSN 5905-01-482-0969
NSN 6620-01-476-0498
NSN 5990-01-008-2515
NSN 5985-01-372-9046