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 5960-01-096-0414
NSN 4140-00-420-0251
NSN 5998-01-398-1852
NSN 5930-01-359-2088
NSN 6320-00-139-1090
NSN 6150-01-296-6121
NSN 5855-01-222-1242
NSN 6130-01-606-7072
NSN 5905-01-174-3410
NSN 6320-01-429-9871
NSN 5975-00-189-0093
NSN 5925-00-820-6415