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 6240-01-280-9739
NSN 5985-01-092-9509
NSN 5965-01-020-4104
NSN 5855-01-268-6468
NSN 6685-01-317-1569
NSN 5996-00-525-1777
NSN 6685-00-903-2027
NSN 6645-01-510-1984
NSN 4140-01-217-0380
NSN 6320-01-556-2011
NSN 5996-00-850-6198
NSN 6645-00-351-8580