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 5910-01-242-5978
NSN 6645-00-456-2923
NSN 6105-01-440-5369
NSN 5835-01-557-4914
NSN 6685-01-576-8884
NSN 6110-01-309-3502
NSN 6150-01-157-5152
NSN 5999-01-259-4636
NSN 5950-00-666-1887
NSN 6220-01-384-6599
NSN 6145-00-982-0860
NSN 5935-01-599-6886