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 6220-01-186-3993
NSN 6620-01-085-8688
NSN 5930-01-286-7251
NSN 5975-01-228-7178
NSN 6610-01-170-2905
NSN 6620-01-441-7896
NSN 6645-01-591-1107
NSN 5925-01-528-6976
NSN 5895-00-137-0439
NSN 6220-01-441-6713
NSN 6645-00-144-4868
NSN 6135-01-036-3495