Check Valve Retainer. GE 37B201799P101. NSN 2915-00-784-4754. SPECS: Fuel control, P/N 37R601134G001, engine, acft, J85 Aluminum alloy, AMS4120, 0.700 in. min, 0.720 in. max O/a lg, 3/4-20 UNEF-3A thd data on right end, 0.620 in. min, 0.640 in. max od on left end 14461 WRD12