| CRITICALITY CODE JUSTIFICATION | ZZZY |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | NICKEL CHROMIUM IRON PER ASTM-B-168 BRIGHT ANNEALED OR EQUIVALENT; 2.646 IN. ID; 2.718 IN. OD; 250 MICROINCH FINISH; ALL FIGURES AND LINES TO BE ETCHED OR ENGRAVED ON A BRIGHT BACKGROUND 0.003 TO 0.009 DEEP |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |