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 6650-01-530-6629
NSN 2925-00-477-2654
NSN 5965-01-504-6139
NSN 5985-00-529-0093
NSN 5905-01-508-7199
NSN 5999-01-400-3011
NSN 5996-01-641-5401
NSN 5930-01-013-9251
NSN 5920-01-381-6361
NSN 6150-00-947-0673
NSN 5910-01-539-4584
NSN 7035-01-505-5979