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 6620-00-618-9311
NSN 7035-01-064-8212
NSN 6145-00-432-4840
NSN 5925-01-499-6125
NSN 6220-00-827-0227
NSN 5996-00-518-0460
NSN 6320-00-468-8421
NSN 2925-01-065-0060
NSN 5996-00-902-0202
NSN 5910-01-039-2222
NSN 6220-01-291-7478
NSN 5895-00-522-7935