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 6610-01-545-4080
NSN 5996-01-354-2833
NSN 5985-01-478-9860
NSN 6110-01-445-3928
NSN 5985-00-584-3795
NSN 2925-00-157-1602
NSN 5985-01-505-8955
NSN 5990-00-905-9556
NSN 6240-01-034-0436
NSN 5990-00-518-0684
NSN 5999-00-241-6423
NSN 5950-00-005-1944