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Plating Specifications

ALL SPECIFICATIONS ARE PLATED TO THEIR LATEST REVISION

PLATING PROCESS
SPECIFICATION
 
GOLD
obsolete spec. MIL-G-45204

ASTM-B-488-11

MIL-DTL-45204 (MIL-G-45204)
AMS-2422
BARREL & RACK
TYPE I - 99.7% GRADE A,B or C
TYPE II - 99.0% GRADE B,C or D
TYPE III - 99.9% GRADE A only
99.0% Minimum Purity
SILVER
obsolete spec. QQ-S-365

ASTM-B-700 (QQ-S-365)







AMS-2410
BARREL & RACK
TYPE I - 99.9% Purity
TYPE 2 - 99.0% Purity
TYPE 3 - 98.0% Purity
Grade A - Matte
Grade B- Bright
Grade C- Semi-Bright
Class N- No Tarnish Resistant Coating
Class S- Tarnish Resistant Coating
Engineering Applications see spec. for details
NICKEL obsolete spec. QQ-N-290

AMS-QQ-N-290 (QQ-N-290)

AMS-2423
BARREL & RACK
CLASS I - CORROSION PROTECTION
CLASS II - ENGINEERING APPLICATIONS
HARD NICKEL DEPOSIT
SULFAMATE NICKEL

MIL-P-27418
AMS-QQ-N-290
BARREL & RACK
SOFT NICKEL DEPOSIT
HARDNESS NOT EXCEEDING 150 KNOOP
ELECTROLESS NICKEL
obsolete spec. MIL-C-26074

AMS-C-26074
(MIL-C-26074)
AMS-B-733-04
AMS-2405
BARREL & RACK ONLY
CLASS 1- AS PLATED NO SUBSEQUENT HEAT TREATMENT. A BAKE FOR HYDROGEN EMBRITTLEMENT RELIEF IT IS NOT CONSIDERED A HEAT TREATMENT.
CLASS 2- HEAT TREATED TO OBTAIN REQUIRED HARDNESS MAY BE USED ON ALL METALS NOT AFFECTED BY HEATING TO 500 DEG. F AND ABOVE.
CLASS 3- ALUMINUM ALLOYS HEAT TREATABLE AND BERRYLIUM ALLOYS PROCESSED TO IMPROVE ADHESION OF THE NICKEL DEPSOSIT.
CLASS 4- ALUMINUM ALLOYS HEAT TREATABLE PROCESSED TO IMPROVE ADHESION OF THE NICKEL DEPOSIT.
LOW PHOSPHOROUS NOT TO EXCEED 8%
TIN
obsolete spec. MIL-T-10727

ASTM-B-545
(MIL-T-10727)
AMS-2408
BARREL & RACK
DEPOSIT NO LESS THAN 99.0% PURE TIN
To call out alloy plating 90/10% refer to AMS-P-81728
Engineering applications see spec. for details
TIN/LEAD 60/40
obsolete spec. MIL-P-81728

AMS-P-81728
(MIL-P-81728)
BARREL & RACK
ALLOY PLATING OF TIN/LEAD 60/40 +- 10%
COPPER
obsolete spec. MIL-C-14550

AMS-2418
(MIL-C-14550)
BARREL & RACK
TYPE 1- ENGINEERING PLATING
TYPE 2- PLATING FOR MASKING
PASSIVATION
obsolete spec. QQ-P-35

AMS2700
AMS-QQ-P-35
(QQ-P-35)
BASKET & RACK ONLY
TYPE I- LOW TEMPERATURE
TYPE II- MEDIUM TEMPERATURE
TYPE III- HIGH TEMPERATURE
TYPE IV- FOR PARTS CONTAINING LARGE AMOUNTS OF SULFER OR SELENIUM
TYPE V- FOR HIGH CARBON MARTENISTIC STEEL (440)
TYPE VI- MEDIUM TEMPERATURE
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