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 6240-01-360-0225
NSN 5965-01-361-9760
NSN 2925-01-077-3310
NSN 5985-01-230-5152
NSN 5975-00-900-9730
NSN 5935-00-189-0633
NSN 5965-00-086-6874
NSN 5935-00-683-2939
NSN 5905-00-013-9484
NSN 6610-01-103-4627
NSN 5895-00-246-4415
NSN 4140-00-733-7936