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 5920-01-445-7000
NSN 6320-00-194-4252
NSN 5960-01-204-5820
NSN 5975-00-129-6056
NSN 2925-01-430-4206
NSN 5975-00-345-8055
NSN 6110-00-165-1528
NSN 6685-01-623-9081
NSN 6685-01-183-4902
NSN 6650-01-155-3292
NSN 6645-01-609-7365
NSN 6685-01-386-9239