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 6685-01-415-5936
NSN 5930-00-148-1128
NSN 5965-00-877-9197
NSN 5975-00-614-3555
NSN 5935-00-585-5852
NSN 6610-01-092-4038
NSN 6240-00-857-3785
NSN 5998-00-661-0380
NSN 6135-00-874-6566
NSN 6220-01-533-5549
NSN 5990-01-573-1634
NSN 5855-01-369-5037