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 6220-01-620-2660
NSN 6610-01-537-0816
NSN 5920-01-343-5346
NSN 5915-00-591-7831
NSN 6645-00-989-2972
NSN 6685-01-359-2723
NSN 6320-01-415-0953
NSN 6110-01-093-1468
NSN 5999-00-995-7869
NSN 5895-01-190-3941
NSN 5990-00-893-0957
NSN 5999-00-151-9955