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 6620-01-432-7032
NSN 6645-01-040-8337
NSN 6240-00-050-4520
NSN 5998-01-633-4347
NSN 5835-00-912-5656
NSN 6220-01-433-7039
NSN 5950-00-950-2881
NSN 5945-01-391-1041
NSN 6645-00-230-4396
NSN 6220-01-431-9819
NSN 6240-01-245-8996
NSN 5910-01-366-1898