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 5905-01-036-9763
NSN 5895-01-078-0403
NSN 6110-01-058-2112
NSN 5835-01-632-6627
NSN 6220-00-858-2456
NSN 5915-01-293-4168
NSN 7035-00-541-8516
NSN 6130-01-177-3127
NSN 5835-01-604-6337
NSN 6645-01-305-3118
NSN 5985-01-050-7745
NSN 5985-00-372-5946