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 5895-01-542-2209
NSN 5999-01-406-4283
NSN 5985-01-064-3698
NSN 6135-00-152-8729
NSN 6620-00-658-6588
NSN 5965-01-423-8543
NSN 5930-00-951-9732
NSN 5915-01-497-9945
NSN 5915-01-619-8565
NSN 6150-01-089-6764
NSN 5920-01-010-3293
NSN 6620-01-304-3864