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 5835-01-314-2781
NSN 6135-00-403-0213
NSN 7035-00-238-3662
NSN 5990-00-074-3056
NSN 6610-01-442-3509
NSN 4140-00-560-8166
NSN 6610-01-115-5791
NSN 6220-01-086-0052
NSN 5920-01-480-4360
NSN 5996-00-799-8838
NSN 5895-00-716-0126
NSN 6220-01-109-1014