Manual Relief Valve (Exhaust Port)
DryTrade: VAM222A
Brownell: BLD9021 drawing

0.466-32 UNS Thread Breather Valve
DryTrade: VAM223C
AGM: TA321
Brownell: BLD9187 drawing

0.500-20 UNF Thread Breather Valve
DryTrade: VAM224E
AGM: TA316
Brownell: BLD9732 drawing

0.500-20 UNF Thread Breather Valve
DryTrade: VAM225G
AGM: TA327
Brownell: BLD9733 drawing