gg1382013 GG138 is a large asteroid whose orbit extends beyond the orbit of Neptune. NASA JPL has not classified 2013 GG138 as potentially hazardous because its orbit does not bring it close toBIRO GG138 WASHER. $3.77 Orinal price was: $3.77. $3.58 Current price is: $3.58. Genuine OEM Biro Part. BIRO GG138 WASHER quantity. Add to cart. SKU: GG138