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 4140-01-486-8261
NSN 5996-01-447-7116
NSN 5999-00-554-4285
NSN 5975-00-011-3714
NSN 5945-01-225-7100
NSN 5996-01-021-9330
NSN 5990-00-653-8595
NSN 6645-00-240-9762
NSN 6150-00-757-1677
NSN 5855-01-550-5219
NSN 4140-00-751-1694
NSN 6150-01-152-2650