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 of taps, cocks, valves and similar appliances, nesoi
NSN 6220-00-759-0094
NSN 5930-00-107-7718
NSN 5945-01-222-6261
NSN 6685-00-720-3525
NSN 6105-01-559-1826
NSN 6610-01-250-2811
NSN 5920-01-508-5430
NSN 6645-01-300-9485
NSN 7035-01-330-6768
NSN 6240-00-471-5399
NSN 6220-00-477-5946
NSN 5965-01-032-9146