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 6105-01-431-8959
NSN 5895-01-053-9700
NSN 6220-01-327-4867
NSN 5990-00-451-7630
NSN 6610-00-835-0248
NSN 6110-01-065-0232
NSN 5996-01-056-9046
NSN 5945-00-843-0730
NSN 4140-00-844-3788
NSN 5965-01-296-8991
NSN 6645-01-100-3296
NSN 6320-01-350-5570