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 6240-00-984-4518
NSN 5965-01-525-7513
NSN 6145-01-114-9089
NSN 6110-01-052-8081
NSN 5999-01-347-9758
NSN 6105-01-614-5985
NSN 6620-00-505-0546
NSN 4140-01-332-0541
NSN 6645-00-695-2343
NSN 5996-01-213-3464
NSN 6610-01-437-2506
NSN 5935-00-188-8945