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 5996-01-009-0428
NSN 6130-01-323-4425
NSN 6645-01-594-0285
NSN 5915-00-471-5186
NSN 4140-01-311-4769
NSN 5835-00-518-4507
NSN 6685-00-921-4378
NSN 4140-01-382-8506
NSN 5930-01-439-9922
NSN 5935-01-240-7848
NSN 6145-01-255-8700
NSN 6620-00-041-3406