3a all ends thread class 20 all ends thread quantity per inch continuous thd on bulkhead end anodize inside surface treated flared w/ bulkhead thread un all ends thread series
Used on ch-47,h-2,ch-54 helicopter,lacv-30 vehicle,c-130 and f-3a aircraft. 3b all ends thread class 12 all ends thread quantity per inch anodize surface treated unj all ends thread series
Used on grumman a10 aircraft; bell observation helicopter,oh-5ba. 3a center bulkhead thread class cadmium surface treated flared w/ bulkhead thread unjf all ends thread series
Used on aircraft application. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch anodize inside surface treated unj 1st end bulkhead thread series
Used on grumman a10 aircraft; helicopter utility-tactical transpport,uh-1 and eh-1(bell). 3b all ends thread class 12 all ends thread quantity per inch anodize surface treated un all ends thread series
Used on aircraft application. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch anodize surface treated flared w/ bulkhead thread unj 1st end bulkhead thread series
Used on grumman a10 aircraft;attack helicopter model ah-1s. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch anodize surface treated unj 1st end bulkhead thread series
3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch anodize surface treated flared w/ bulkhead thread unj 1st end bulkhead thread series