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 5950-00-241-6943
NSN 5960-00-195-6435
NSN 5965-00-243-9496
NSN 6645-00-729-9900
NSN 7035-01-004-8819
NSN 6320-01-532-7491
NSN 6650-01-620-8742
NSN 6145-01-217-2375
NSN 5910-01-335-7990
NSN 5855-01-087-1417
NSN 4140-00-541-1938
NSN 5950-01-128-3206