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 2925-01-625-5624
NSN 4140-01-026-1381
NSN 5985-00-774-8187
NSN 5935-00-276-9399
NSN 5925-00-775-3614
NSN 5910-01-050-8451
NSN 5975-01-126-8352
NSN 5930-01-270-6998
NSN 5835-01-027-3931
NSN 6135-00-351-8606
NSN 6105-01-465-3463
NSN 2925-01-359-4027