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 4140-01-563-1276
NSN 5999-01-368-5103
NSN 7035-01-499-0680
NSN 5975-01-499-8730
NSN 5835-01-089-7615
NSN 5950-00-222-4639
NSN 6150-01-411-9259
NSN 5999-01-499-4348
NSN 6130-01-589-7152
NSN 5996-00-574-9365
NSN 6685-01-514-4543
NSN 6145-01-420-6723