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 7035-01-334-5855
NSN 6645-01-056-9296
NSN 6685-00-230-4267
NSN 5920-01-093-6970
NSN 5999-01-408-8827
NSN 6220-01-629-2636
NSN 5895-01-089-9999
NSN 5915-00-804-6849
NSN 5999-01-024-9383
NSN 5915-01-084-5302
NSN 5965-01-073-9081
NSN 5950-01-512-7643