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 6150-00-359-2019
NSN 6130-01-025-6770
NSN 7035-01-180-8256
NSN 5895-00-921-4012
NSN 6240-00-353-5753
NSN 5999-01-599-6973
NSN 5965-01-177-3171
NSN 6135-00-299-6918
NSN 6645-00-232-4070
NSN 5965-00-082-8987
NSN 5975-01-505-1346
NSN 7035-00-215-3272