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 5905-01-479-2230
NSN 5990-01-525-2250
NSN 5985-01-297-9529
NSN 5985-01-260-0987
NSN 5835-01-394-3812
NSN 6130-00-078-9310
NSN 5915-01-159-2404
NSN 5960-00-056-2148
NSN 5985-01-160-7140
NSN 6240-00-252-7695
NSN 6620-01-658-2480
NSN 5996-01-364-4168