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 5965-00-170-4835
NSN 5996-00-301-5243
NSN 5915-01-099-0026
NSN 5910-01-322-5964
NSN 5915-01-368-4578
NSN 6135-00-851-8575
NSN 5999-01-382-1307
NSN 5915-00-425-9852
NSN 5985-01-449-0939
NSN 6650-01-127-9518
NSN 6620-00-215-1996
NSN 7035-00-570-4100