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 6150-01-302-1655
NSN 6135-00-416-2898
NSN 5915-00-434-9082
NSN 6240-00-987-5464
NSN 5915-00-262-5788
NSN 5925-01-331-8636
NSN 6135-01-204-3882
NSN 5965-01-424-4922
NSN 5895-01-583-6821
NSN 6110-01-020-9495
NSN 5895-00-452-0333
NSN 5996-00-369-5299