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 6610-00-506-1977
NSN 6150-00-085-0094
NSN 4140-01-416-0705
NSN 5950-01-322-8557
NSN 5950-00-303-5450
NSN 6110-01-373-8483
NSN 5930-01-365-0597
NSN 6145-00-360-7760
NSN 6240-01-441-8368
NSN 6645-00-451-6462
NSN 5975-00-155-4181
NSN 5920-00-959-5664