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 5855-01-178-1130
NSN 6685-01-547-3484
NSN 5835-00-996-2912
NSN 6650-01-121-6904
NSN 6610-00-060-0871
NSN 5930-01-607-0245
NSN 5990-01-318-3238
NSN 7035-01-633-9537
NSN 5975-00-119-9182
NSN 6130-01-140-9039
NSN 6645-01-430-2420
NSN 5965-00-992-8942