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 5975-01-142-2216
NSN 6610-01-244-3416
NSN 6130-00-576-4867
NSN 5960-01-285-2152
NSN 6650-01-207-0829
NSN 5960-01-143-1202
NSN 6135-00-182-7008
NSN 6650-00-304-6987
NSN 5835-01-071-9310
NSN 5910-01-199-6505
NSN 6645-00-510-6643
NSN 6135-01-295-2708