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 6620-01-451-1168
NSN 7035-01-285-4473
NSN 6620-01-433-7952
NSN 2925-01-411-8002
NSN 6220-00-475-0217
NSN 5855-01-245-8689
NSN 5998-01-132-0153
NSN 6150-00-173-9283
NSN 2925-00-294-0315
NSN 5999-01-073-6949
NSN 5960-01-217-4526
NSN 6105-00-773-8480