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 6110-01-435-6610
NSN 5985-00-676-4852
NSN 5975-01-575-9551
NSN 6645-00-200-2324
NSN 5905-00-363-9689
NSN 5920-01-156-8705
NSN 5945-01-522-9306
NSN 5895-00-846-3304
NSN 6150-00-601-6683
NSN 5920-00-648-6767
NSN 6145-01-207-3815
NSN 5935-01-448-1076