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 2925-00-004-1278
NSN 6645-01-013-6254
NSN 5915-01-379-5530
NSN 5960-00-081-9255
NSN 6645-00-285-8781
NSN 6145-01-401-3713
NSN 5999-01-536-3560
NSN 5998-01-579-6587
NSN 5895-01-389-7140
NSN 5999-01-554-5905
NSN 5985-01-476-8978
NSN 5895-00-276-7916