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 5925-00-299-2728
NSN 6645-01-550-7391
NSN 2925-00-939-1979
NSN 5990-00-934-3145
NSN 5930-01-366-3262
NSN 6150-00-006-0995
NSN 6150-00-925-9914
NSN 6150-01-171-0030
NSN 6610-00-883-2804
NSN 5855-00-221-9435
NSN 5990-01-373-1465
NSN 5998-01-476-4539