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 6220-01-415-3350
NSN 5990-01-565-2226
NSN 5915-01-353-7959
NSN 4140-00-960-8222
NSN 7035-01-153-1767
NSN 2925-00-305-8030
NSN 5925-01-007-1590
NSN 6135-00-763-5793
NSN 5905-00-780-7225
NSN 6135-01-260-7180
NSN 6650-01-580-9749
NSN 5975-00-823-0979