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 5965-01-310-5695
NSN 5960-00-519-9880
NSN 6220-01-107-9933
NSN 5905-01-294-9389
NSN 5835-01-205-6614
NSN 6145-01-539-0263
NSN 6685-00-642-0533
NSN 6645-01-370-5264
NSN 6135-01-534-3007
NSN 6135-01-422-1440
NSN 5960-01-284-4118
NSN 5935-01-521-2636