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 5945-01-519-4998
NSN 4140-00-311-6329
NSN 6320-00-593-0379
NSN 5905-01-502-9940
NSN 5910-00-528-9714
NSN 2925-00-066-9700
NSN 5999-01-463-9708
NSN 5999-00-664-1818
NSN 5935-00-276-9413
NSN 6610-01-512-2025
NSN 6645-01-659-1583
NSN 5950-01-157-5403