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 5915-00-378-0744
NSN 6610-01-021-2432
NSN 6105-00-699-9186
NSN 5999-00-398-1583
NSN 6130-00-058-0611
NSN 6130-01-492-5407
NSN 4140-01-041-2158
NSN 5975-01-450-0451
NSN 6220-00-655-2863
NSN 5945-00-361-8603
NSN 6220-01-432-2232
NSN 5985-01-387-0936