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 4140-01-498-6292
NSN 5930-00-130-2587
NSN 6130-00-473-2270
NSN 5925-01-495-0117
NSN 5910-01-512-8782
NSN 5915-01-306-9736
NSN 5998-01-408-4355
NSN 4140-01-608-4315
NSN 7035-01-222-0729
NSN 5998-01-514-6129
NSN 5998-01-094-7368
NSN 7035-01-644-3225