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 6320-01-082-2970
NSN 6650-01-514-7809
NSN 6650-01-202-9143
NSN 6145-01-208-5467
NSN 7035-01-411-6062
NSN 5895-01-498-3947
NSN 6110-01-374-4909
NSN 5950-01-529-7914
NSN 7035-01-351-4111
NSN 5910-00-735-7883
NSN 6110-01-214-5185
NSN 5910-01-410-8658