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 2925-00-504-2363
NSN 6150-01-654-2356
NSN 5985-00-710-5473
NSN 6150-00-882-5050
NSN 6130-01-505-1683
NSN 5990-01-426-7350
NSN 5895-00-181-7020
NSN 5930-01-187-9850
NSN 5895-00-019-0023
NSN 4140-01-543-1658
NSN 5835-01-355-3654
NSN 6645-01-497-6543