| MRC |
Requirement Statement |
Characteristics |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
ZZZY |
| TEXT |
GENERAL CHARACTERISTICS ITEM DESCRIPTION |
STEEL ALLOY 4340 PER MIL-S-5000 COND C COAT WITH ELECTROLESS NICKEL 0-001 THICK PER MIL-C-26074 CLASS 1 GRADE A EXCEPT THDS FOUR HOLES TO HAVE 0.0002 TO 0.0003 THK COATING HEAT TREAT TO OBTAIN BRINELL HARDNESS OF 270-310 (RC 28-34) FINISH WITH 125 MICR |
| ZZZY |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS |
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
