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 5920-01-514-8109
NSN 6220-00-961-5407
NSN 5996-01-153-8700
NSN 5920-00-498-5109
NSN 5998-01-403-2586
NSN 5855-01-289-0070
NSN 4140-01-601-3464
NSN 6240-00-846-9815
NSN 5895-00-070-1688
NSN 6685-01-021-4080
NSN 6105-01-333-7903
NSN 6610-01-175-3485