Used on mrap mrv(mine recov. vehicle. 14 2nd end thread quantity per inch hydraulic 37 degree flared tube reducer connectors thread size 3/4-16; side b thread size 1/2-14 zinc surface treated center wrenching facility nptf 2nd end thread series
Used on the sea king helicopter. fitting, sleeve.flared material is carbon steel per ams 6370 type 4130 or ams 6382 type 4140, hardened per sae AS4841, finnish is cadmium plate per qq-p-416 type ii class 2 dye black