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 5998-00-445-7960
NSN 5855-00-361-0167
NSN 5965-00-636-2498
NSN 6645-01-442-2386
NSN 6645-01-351-6900
NSN 5935-01-443-1376
NSN 5910-01-382-9288
NSN 6220-01-256-6400
NSN 6650-01-631-1142
NSN 4140-00-477-1863
NSN 6220-00-099-9192
NSN 5985-01-474-5731