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 5920-00-821-7394
NSN 5960-00-740-7285
NSN 5950-01-137-0293
NSN 6105-01-004-0456
NSN 5965-01-071-3704
NSN 5985-01-391-7122
NSN 5999-00-436-6403
NSN 6610-00-667-6832
NSN 6685-01-425-4501
NSN 5855-01-225-5855
NSN 6145-01-240-3909
NSN 5996-00-900-4001