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 5935-01-251-8986
NSN 5920-01-299-1318
NSN 5945-00-444-1217
NSN 5920-00-554-0437
NSN 5930-01-238-6850
NSN 6685-01-188-7379
NSN 6145-01-535-0693
NSN 5915-00-199-9554
NSN 6240-00-684-8181
NSN 5960-00-932-3067
NSN 5895-01-571-1634
NSN 6620-00-176-3096