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 6240-00-269-9477
NSN 5975-01-087-6426
NSN 5965-01-209-2838
NSN 5985-00-533-0659
NSN 6105-01-309-2423
NSN 5990-00-296-4825
NSN 6320-01-512-2031
NSN 6110-01-223-5973
NSN 4140-01-206-2397
NSN 6130-01-608-4029
NSN 5975-00-233-6301
NSN 6150-01-007-6097