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 5935-01-020-7578
NSN 6240-01-458-5730
NSN 6240-01-416-2804
NSN 7035-00-335-7283
NSN 5910-01-583-4482
NSN 6620-01-119-9239
NSN 5905-01-518-6258
NSN 6150-01-024-9952
NSN 5835-01-305-8866
NSN 6645-01-476-6115
NSN 5985-01-575-2507
NSN 5975-01-542-9444