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 5855-00-131-6338
NSN 5975-00-109-9525
NSN 5996-00-141-3945
NSN 5975-00-369-7306
NSN 4140-01-268-5709
NSN 7035-00-327-0458
NSN 6240-00-229-8183
NSN 6320-00-160-0899
NSN 5990-00-118-8953
NSN 6130-00-076-3554
NSN
NSN 6645-01-633-1852