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 5835-01-351-3425
NSN 5905-00-475-3975
NSN 6610-00-331-3460
NSN 5910-00-276-8592
NSN 6135-00-444-1402
NSN 5965-01-208-3488
NSN 5945-01-025-5956
NSN 6145-01-573-9716
NSN 7035-00-782-7046
NSN 5935-01-483-1143
NSN 6135-00-782-6988
NSN 5935-00-738-4644