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 5855-01-304-3064
NSN 5990-00-758-5930
NSN 5975-01-389-5823
NSN 6320-00-845-3261
NSN 6220-01-304-7500
NSN 5985-01-429-9286
NSN 5925-01-474-6358
NSN 5925-01-616-4480
NSN 5905-01-596-9721
NSN 6320-00-070-4544
NSN 5925-01-277-9592
NSN 6150-01-228-5394