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 6150-00-225-5565
NSN 5920-00-555-1877
NSN 6145-01-513-2633
NSN 5950-01-487-4948
NSN 5950-01-233-8413
NSN 5915-01-440-3998
NSN 5965-01-590-8085
NSN 6110-01-556-3659
NSN 5990-00-166-9476
NSN 6150-01-516-0617
NSN 5855-00-987-1171
NSN 5910-01-205-4749