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 6650-01-648-1864
NSN 7035-01-296-4737
NSN 7035-01-391-7470
NSN 5950-01-014-3509
NSN 5930-00-851-2151
NSN 5998-01-072-3673
NSN 5990-01-442-3520
NSN 6645-01-415-3341
NSN 6620-01-303-2563
NSN 5975-01-625-1004
NSN 7035-00-108-4421
NSN 5990-01-142-0538