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 5990-01-034-8211
NSN 5950-01-328-5861
NSN 6650-01-554-2824
NSN 5855-00-004-0904
NSN 6645-01-245-8390
NSN 5905-00-460-1203
NSN 5965-00-910-3233
NSN 5905-01-634-0595
NSN 5965-01-337-0250
NSN 6110-01-107-2690
NSN 5835-01-116-8821
NSN 5985-00-591-3001