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 6145-00-754-8119
NSN 6320-01-573-6490
NSN 5905-01-099-4954
NSN 6220-00-892-5187
NSN 6685-00-811-0394
NSN 4140-01-164-2274
NSN 5935-01-076-4998
NSN 6110-01-310-4986
NSN 6150-01-367-3093
NSN 5915-00-926-0109
NSN 5855-01-529-4321
NSN 5855-01-486-5046