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 6645-01-585-2264
NSN 2925-01-257-6225
NSN 6610-00-633-4338
NSN 5895-01-343-9198
NSN 6685-00-488-4488
NSN 6650-00-466-1155
NSN 5930-00-933-9058
NSN 6240-01-371-3020
NSN 5835-00-065-6757
NSN 5950-00-494-9024
NSN 4140-01-472-2442
NSN 5985-01-116-1833