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 5925-01-530-7321
NSN 5895-00-265-0159
NSN 6135-01-062-9356
NSN 6645-01-234-2856
NSN 5999-01-007-9543
NSN 5999-00-443-1878
NSN 6145-01-145-4037
NSN 5905-01-380-1625
NSN 6610-01-276-7766
NSN 5950-01-065-0858
NSN 5945-01-070-4856
NSN 5998-01-201-9253