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 5925-01-097-7046
NSN 6240-01-054-8842
NSN 6130-01-400-6123
NSN 6650-00-170-5095
NSN 6110-00-295-2754
NSN 5975-01-384-0695
NSN 6135-01-421-6373
NSN 6135-01-029-9315
NSN 5835-01-487-3042
NSN 5996-01-648-0405
NSN 5975-01-071-6433
NSN 5998-00-456-0864