Quick view Add to Cart Prevent Low Oil Pressure in Rear Section and to Avoid Drilling Through Annulus on the O.D. of the Bushing Document Part Number: Bulletin No. 472, NAVAER 02A-10C-500 Number of pages: 2Part Number: Bulletin No. 472, NAVAER 02A-10C-500Revision Date: 15-Sept-1948 MSRP: Was: Now: $15.00