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 5835-01-141-8823
NSN 6685-01-064-4384
NSN 4140-01-320-2880
NSN 5895-01-443-6066
NSN 6145-01-365-1854
NSN 5835-01-384-3206
NSN 5910-00-177-6752
NSN 6645-01-185-7684
NSN 6320-00-004-9158
NSN 5990-01-543-6301
NSN 7035-01-361-8821
NSN 6110-01-522-9245