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 5895-01-656-0311
NSN 5990-00-402-3731
NSN 5895-01-363-9865
NSN 5975-01-551-1720
NSN 5999-01-149-5826
NSN 6610-01-516-7278
NSN 5855-00-797-8217
NSN 5905-00-499-2134
NSN 6685-00-253-2553
NSN 6150-01-650-1898
NSN 6145-01-203-4458
NSN 5935-01-166-3149