15-40w valvoline blue
No other part numbers with same form, fit, and function found.
NSN 5990-01-076-8901
NSN 5920-01-042-9351
NSN 6650-01-399-0628
NSN 6135-01-512-8740
NSN 5996-00-525-1777
NSN 5945-01-415-2842
NSN 5999-00-782-4798
NSN 6320-00-468-8421
NSN 7035-01-013-9889
NSN 6240-01-622-5961
NSN 5960-01-116-2092
NSN 6610-00-155-1334