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 6645-00-450-2209
NSN 6645-01-123-4443
NSN 6650-01-266-8762
NSN 6320-01-015-9856
NSN 6130-00-285-8119
NSN 6610-01-346-2802
NSN 5935-01-246-3638
NSN 5935-01-568-0588
NSN 5925-00-767-0284
NSN 6150-01-116-2406
NSN 6650-00-477-4538
NSN 6130-01-141-6894