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 5996-01-181-5438
NSN 5855-01-424-2769
NSN 4140-00-408-2789
NSN 5960-01-283-2281
NSN 5910-01-598-2855
NSN 6150-00-929-3539
NSN 6135-00-477-8847
NSN 6610-01-352-5500
NSN 6645-00-908-0140
NSN 6650-01-319-3923
NSN 5965-01-420-6613
NSN 6645-01-424-4667