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 5999-01-023-8497
NSN 5935-00-271-9531
NSN 6220-00-422-4461
NSN 6650-01-179-3823
NSN 6110-01-558-5200
NSN 7035-01-064-6048
NSN 6620-01-353-9224
NSN 5975-01-616-8923
NSN 4140-00-483-1932
NSN 6110-01-275-9408
NSN 6240-00-109-5914
NSN 5950-01-465-7126