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 6685-00-569-1764
NSN 5985-00-854-0849
NSN 5945-01-580-8921
NSN 5895-01-650-1028
NSN 5985-01-245-6160
NSN 7035-01-369-1445
NSN 5985-01-190-7738
NSN 6645-01-234-0222
NSN 6105-00-139-5244
NSN 7035-01-085-5955
NSN 5915-01-142-2018
NSN 5999-00-054-9837