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 5998-01-410-7788
NSN 5910-01-180-3358
NSN 5996-01-436-8548
NSN 6320-01-506-9439
NSN 5975-01-134-5332
NSN 6105-01-164-6641
NSN 6150-01-451-4898
NSN 5915-00-891-4072
NSN 7035-01-454-3284
NSN 5895-01-152-6703
NSN 5960-00-357-3043
NSN 6220-01-110-9708