2b single mounting facility thread class 4.187" overall length 4.125" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single mounting facility thread class 4.250" overall length 3.187" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on aircraft phantom f-4,hercules c-130,f-111,eagle f-15,thunderbolt ii a-10,awacs e-3a,f-16,helicopter super jolly h-53,vehicle aircraft refuler r-9,p-22 firetruck,tractor aircraft towing a/s32u-30,aircraft support equipment f-5,ov-10a,c-5,t-37,t-38,f-106,b-52; 4210-01-486-1035 tfft (tactical fire fighting truck); 2420-66-148-7692, hmee (high mobility engineer excavator). 2a thread class 2.700" overall length 1.270" overall width 32 thread quantity per inch weapon system essential un thread series
3a single pressure connection thread class 0.658" single pressure connection thread length 1.877" overall length 0.438" single connection outside diameter 20 single pressure connection thread quantity per inch cylindrical un single pressure connection thread series
2a single mounting facility thread class 0.410" single mounting facility thread length 4.232" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.410" single mounting facility thread length 3.630" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.410" single mounting facility thread length 2.166" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.892" overall length 1.359" overall width circular wafer, bushing mount unef single mounting facility thread series