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 5930-00-452-9187
NSN 5999-01-606-8811
NSN 5855-00-361-0167
NSN 6135-01-100-3593
NSN 5835-00-130-6404
NSN 2925-01-341-0457
NSN 6650-01-455-4009
NSN 5999-01-365-5509
NSN 5930-01-632-2439
NSN 2925-01-541-5031
NSN 5999-00-529-0157
NSN 2925-00-714-3932