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 7035-01-656-9650
NSN 5905-01-275-8175
NSN 5915-01-493-3231
NSN 4140-00-225-8586
NSN 5985-01-032-1231
NSN 6320-00-089-9426
NSN 5920-00-451-6847
NSN 6650-01-498-0965
NSN 5855-01-656-3256
NSN 5950-01-521-7950
NSN 6145-01-465-2696
NSN 6110-00-525-3418