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 5855-00-408-2611
NSN 5855-00-156-5489
NSN 6220-01-442-0437
NSN 6110-00-248-2942
NSN 5915-01-246-5027
NSN 4140-00-573-5721
NSN 5965-00-903-6298
NSN 5895-01-023-0522
NSN 5925-00-872-6522
NSN 5895-01-020-8990
NSN 7035-01-391-3518
NSN 2925-01-036-8251