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 6145-01-391-6051
NSN 7035-00-295-0451
NSN 5935-00-036-9196
NSN 5999-01-561-9017
NSN 6320-01-431-4359
NSN 6135-01-646-5986
NSN 5965-01-116-1886
NSN 5975-00-972-8028
NSN 5975-00-119-1486
NSN 5835-00-912-5656
NSN 5855-00-949-8143
NSN 5985-01-441-3125