 |
| ANODIZE:
MIL-A-8625F |
|
|
|
| CHROMIC |
TYPE
I |
CLASS
1 |
GREY |
| SULFURIC |
TYPE
II |
CLASS
1 |
dichromate
sealed or clear |
| |
|
CLASS
2 |
DYED |
| HARD |
TYPE
III |
CLASS
1 |
NON-DYED |
| |
|
CLASS
2 |
DYED |
| CHEMICAL
FILM: MIL-C-5541E |
|
|
(ALSO
KNOWN AS: ALODINE & CHROMATE CONVERSION) |
| TYPE
NA |
CLASS
NA |
CLEAR |
|
|
|
CLASS
1A |
GOLD |
|
|
CLASS
3 |
GOLD |
| CADMIUM
PLATE: AMS QQ-P-416 |
|
|
| TYPE
1 |
CLEAR
(W/O CHROMATE) |
|
| TYPE
II GOLD |
(OR
OTHER CHROMATE) |
CLASS
1 |
| BAKE
8 HOURS |
|
CLASS
2 |
| BAKE
23 HOURS |
|
CLASS
3 |
| ZINC
PLATE: ASTM-B-633-98 |
|
|
| TYPE
I CLEAR (W/O CHROMATE) |
CLASS
FE/ZN5 = CLASS SCI .0002 |
| TYPE
II GOLD (OR OTHER CHROMATE) |
CLASS
FE/ZN8 = CLASS SC2 .0003 |
| TYPE
III CLEAR (BLUE CHROMATE) |
CLASS
FE/ZN12 = CLASS SC3 .0005 |
|
|
|
CLASS
FE/ZN25 = CLASS SC4 .0010 |
| ELECTROLESS
NICKER: MIL-C-26074E (AMS 2404D) |
|
| CLASS
1 AS PLATED (HYDROGEN EMBRITTLEMENT RELIEF @ 375 F./3 HOURS
MIN., if required) |
grade
a .0010" |
| Class
2 thermal treatment @ 450 f. or higher for 4 hours or longer |
grade
b .0005" |
| class
2 thermal treatment @ 375 f. for 1.0 - 1.5 hours |
grade
c .0015" |
| class
4 thermal treatment @ 250 f. for 1.0 - 1.5 hours |
| PASSIVATE:
ASTM-A-967-99 (QQ-P-35) |
|
| NITRIC
1 (TYPE II) |
NITRIC
2 (TYPE VI) |
| NICKEL
PLATE: QQ-N-290 A |
|
| GRADES
G (4,7) = .0002 |
|
|
F (3,6,9,10) = .0004 C (1) = .0010 |
|
|
E (2,5,8) = .0006 B = .0012 |
CLASS
1 |
|
D = .0008 A = .0016 |
BAKE
3 HOURS (RC40/180 KSI OR HIGHER) |
| ZINC-
NICKEL: AMS 2417F |
|
| TYPE
I CLEAR (RUN IF NOT SPECIFIED) |
THICKNESS:
0003
- .0007
.0002
- .0004 WASHERS AND PARTS |
| TYPE
II GOLD |
| BAKE
PER CHART IN AMS 2759/9 |
| ZINC
COBALT: ASTM-B840-99 CLASS 1 |
|
| TYPE
A - COLORLESS |
GRADE
1 - .00023 |
| TYPE
B - YELLOW CHROMATE |
GRADE
2 - .00046 |
| TYPE
C - BRONZE CHROMATE |
GRADE
3 - .00070 |
| TYPE
D - BLACK CHROMATE |
|
| TYPE
E - ANY OF THE ABOVE PLUS ORGANIC TOPCOAT |
BAKE
22 HRS @ 375 F. - 425 F. (31 HRC OR HIGHER)
|
|
|
