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 6320-00-116-3658
NSN 2925-00-881-3770
NSN 6685-00-787-8594
NSN 6135-01-134-7222
NSN 5935-00-888-5615
NSN 5925-00-482-0546
NSN 6620-01-659-5293
NSN 5905-01-273-0473
NSN 4140-01-295-8264
NSN 6320-00-242-3300
NSN 5945-01-243-0785
NSN 6650-00-550-6111