| CRITICALITY CODE JUSTIFICATION | ZZZY |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL ALLOY 4340 PER MIL-S-5000 COND C; COAT WITH ELECTROLESS NICKEL PER MIL-C-26074; HEAT TREAT TO OBTAIN A HARDNESS OF BRINELL 270-310 (RC 28-34); BASE MATERIAL FINISH WITH 125 MICROINCH; 1.750 IN. OD,3.188 IN. LG |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |