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 2925-01-462-1620
NSN 6110-00-271-9928
NSN 6610-01-618-4746
NSN 6150-01-355-0421
NSN 6105-01-281-9850
NSN 6130-01-444-0557
NSN 5990-01-554-8547
NSN 6645-00-234-7223
NSN 5975-00-756-8311
NSN 2925-01-607-7754
NSN 5920-01-272-8902
NSN 5999-01-527-7880