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.
NSN 6110-01-304-0038
NSN 6645-00-755-9782
NSN 5999-01-470-1590
NSN 6610-01-396-5628
NSN 5996-00-051-6667
NSN 5960-00-895-0542
NSN 5965-01-042-2001
NSN 5990-01-442-3520
NSN 6105-00-804-5235
NSN 5975-01-498-5546
NSN 5925-01-482-3642
NSN 6620-00-969-3972