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 6610-01-093-4710
NSN 5950-00-772-9281
NSN 6110-00-231-3751
NSN 6105-01-510-5312
NSN 6240-00-677-0305
NSN 7035-00-007-7023
NSN 6645-01-089-6459
NSN 5920-01-191-5303
NSN 5950-00-126-7313
NSN 5975-01-541-9216
NSN 6105-01-217-0119
NSN 5930-00-463-4461