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 5960-01-478-9493
NSN 5975-00-114-5354
NSN 6685-00-535-2673
NSN 5999-00-170-7858
NSN 5985-01-139-4667
NSN 6150-01-458-9939
NSN 6135-00-134-6648
NSN 6320-00-857-4073
NSN 5910-00-591-2751
NSN 6610-00-543-1402
NSN 5915-01-023-3590
NSN 5915-00-202-5192