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 5935-00-625-9655
NSN 5855-01-498-4949
NSN 5930-00-932-4244
NSN 6320-01-648-5538
NSN 6240-01-034-0436
NSN 5990-00-827-0684
NSN 6105-00-270-8078
NSN 5920-00-100-7219
NSN 6220-01-550-1399
NSN 2925-00-714-3932
NSN 5960-01-307-5409
NSN 5915-00-456-0873