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 6320-01-123-6814
NSN 5990-01-201-1698
NSN 5920-00-201-4914
NSN 6135-00-016-0071
NSN 5935-01-025-0926
NSN 5935-00-238-5166
NSN 5935-00-093-7733
NSN 5895-01-328-2216
NSN 5945-01-376-1442
NSN 5975-01-364-0312
NSN 5930-01-050-2632
NSN 6220-01-181-5854