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 6620-01-444-4048
NSN 7035-00-445-9657
NSN 6610-01-436-2803
NSN 6220-00-251-5600
NSN 5990-01-140-5497
NSN 5835-01-456-3922
NSN 5985-00-106-9256
NSN 6105-00-688-7082
NSN 6145-01-414-1493
NSN 5920-00-986-2889
NSN 6610-01-345-1110
NSN 5930-01-605-2223