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: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5990-00-006-5760
NSN 6650-01-263-3530
NSN 6620-01-230-0197
NSN 5950-01-600-1432
NSN 6645-01-627-8040
NSN 6320-00-070-4544
NSN 5910-01-043-5774
NSN 5990-01-417-4402
NSN 6110-00-195-5440
NSN 5835-01-261-9878
NSN 5920-00-879-8654
NSN 6110-01-592-1784