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 5910-00-342-4338
NSN 4140-01-054-8516
NSN 6320-01-082-2970
NSN 6240-00-438-6999
NSN 6320-01-176-8367
NSN 4140-01-537-6165
NSN 5925-00-393-2410
NSN 5998-01-312-1750
NSN 5925-00-830-8148
NSN 6110-01-498-9223
NSN 6240-01-452-7006
NSN 6150-00-539-9812