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 6610-01-336-2787
NSN 5930-00-035-4739
NSN 6220-01-324-6422
NSN 6685-01-487-2884
NSN 4140-01-578-3148
NSN 6110-01-525-1244
NSN 2925-00-912-3993
NSN 5895-00-958-7607
NSN 5945-01-458-0660
NSN 5985-01-066-0650
NSN 5935-00-067-4166
NSN 2925-01-423-8141