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 6320-00-646-3311
NSN 6110-00-078-3393
NSN 5905-01-241-2472
NSN 6220-01-025-0482
NSN 6320-00-553-8427
NSN 6685-01-281-7267
NSN 5855-00-631-4565
NSN 6645-00-614-5302
NSN 6145-01-090-5648
NSN 6135-00-767-0331
NSN 5855-00-228-8446
NSN 6320-01-513-9166