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 6320-01-098-2503
NSN 6620-00-585-5443
NSN 5965-01-415-1521
NSN 5945-01-453-3395
NSN 5965-01-510-1178
NSN 6110-01-298-3784
NSN 6320-01-312-3620
NSN 6645-00-272-9295
NSN 6130-01-211-6790
NSN 6620-00-452-5738
NSN 4140-00-279-3148
NSN 5975-00-137-9547