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 5925-01-011-0182
NSN 5945-00-304-5107
NSN 5990-01-400-3299
NSN 6145-01-507-4157
NSN 5945-01-441-4203
NSN 6645-00-296-8310
NSN 5998-01-447-0773
NSN 5910-00-269-4755
NSN 6135-01-196-7399
NSN 5915-01-420-4370
NSN 5985-01-577-6557
NSN 4140-01-608-5291