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 5925-01-244-6452
NSN 5855-01-395-0676
NSN 6610-01-327-7148
NSN 6105-01-628-5506
NSN 6110-01-429-0008
NSN 5930-00-577-0621
NSN 5945-01-258-5042
NSN 5985-00-991-3546
NSN 6645-01-417-4332
NSN 7035-00-433-5670
NSN 5915-01-363-9524
NSN 5996-00-112-4588