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 5990-01-199-2846
NSN 6320-01-624-0193
NSN 6150-01-499-7716
NSN 5950-01-456-7300
NSN 6220-00-587-3431
NSN 4140-00-089-0490
NSN 5895-01-338-9894
NSN 5915-01-498-4427
NSN 5910-01-587-1303
NSN 7035-01-534-5795
NSN 5895-00-961-2696
NSN 6145-01-087-9578