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 6645-00-869-0850
NSN 6110-01-188-6683
NSN 5910-00-798-5754
NSN 5950-00-864-4988
NSN 6320-00-809-5744
NSN 5996-01-572-8487
NSN 5990-01-361-4192
NSN 5905-00-840-5731
NSN 5895-01-374-0596
NSN 5855-00-361-0167
NSN 6620-01-423-7300
NSN 6645-00-369-4410