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 5895-00-840-3776
NSN 5950-00-982-4917
NSN 5925-01-587-6314
NSN 6105-01-370-2573
NSN 5985-01-653-6814
NSN 5895-00-679-7292
NSN 6110-00-764-7621
NSN 5960-01-316-4382
NSN 5998-01-510-9455
NSN 5990-00-736-8778
NSN 6650-00-804-2039
NSN 5855-01-333-9606