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 6620-01-255-5152
NSN 6220-01-106-5433
NSN 2925-01-175-1217
NSN 6145-00-023-7010
NSN 6145-01-591-2491
NSN 5960-01-577-0628
NSN 5945-01-217-4667
NSN 6320-00-194-4252
NSN 6135-00-078-9931
NSN 5950-01-520-7406
NSN 5975-01-331-0953
NSN 6610-01-435-8982