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 6110-00-766-0886
NSN 5999-01-370-4184
NSN 5975-01-617-2472
NSN 7035-00-500-7839
NSN 6130-01-314-7781
NSN 5895-00-468-4103
NSN 6135-00-577-8429
NSN 6620-01-245-0184
NSN 5990-01-337-9859
NSN 6135-01-572-3296
NSN 5965-00-568-5802
NSN 7035-01-557-7142