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 6650-01-633-9147
NSN 6220-01-300-1649
NSN 5925-01-113-2292
NSN 5925-01-154-0867
NSN 5965-01-592-3051
NSN 6320-01-052-2118
NSN 5965-01-364-1083
NSN 5905-00-391-6279
NSN 5945-00-197-4754
NSN 6220-01-631-4422
NSN 7035-01-440-0659
NSN 5999-00-870-0212