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 6620-01-582-2046
NSN 2925-01-172-9209
NSN 4140-01-377-5828
NSN 6135-00-613-1068
NSN 6110-00-999-3130
NSN 6240-01-381-1072
NSN 6645-01-376-2336
NSN 6320-01-046-5228
NSN 5990-00-524-2293
NSN 6150-01-603-2035
NSN 6130-01-123-5773
NSN 5975-01-172-2322