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 5965-01-078-6776
NSN 7035-01-010-4257
NSN 6610-01-620-9745
NSN 6645-00-589-0143
NSN 5990-00-689-5736
NSN 5985-01-282-7054
NSN 5925-01-310-7662
NSN 6645-01-633-1852
NSN 6320-01-659-2819
NSN 7035-00-567-7511
NSN 6685-01-656-8461
NSN 5960-00-529-2704