Page 367 - IS-Rayfast Catalogue - Issue 9, 2017

Backshells
Selecting Material and Plating

Plating Codes 1
Plating Part Code
Standard Plating Options Colour RoHS
Group A Group B 2
Cadmium, per SAE AMS-QQ-P-416, Type II, Class 3. Olive Drab No B B
Over electroless nickel
3
Electroless nickel, per SAE AMS-C-26074, Class 4, Grade B. Silver Yes C C
Anodised hard per MIL-A-8625, Type III, Class 2 Black Yes G D
4
Anodised, sulphuric, MIL-A-8625, Type II, Class 2 Black Yes - G
Material Codes Passivated, per SAE AMS-QQ-P-35 or MIL-S-5002 - Yes J J
(stainless steel only). 5
Material Part Code Zinc Cobalt over Electroless Nickel Olive Drab Yes U ZB
Standard Material Options
Group 1 Group 2 Group 3
Unplated Shot Blast (glass bead), for non reflective finish - Yes W Z 6
Aluminium alloy 6262 / 6082 19 A 1
Zinc Nickel passivate over electroless Nickel, ASTM B841 class 1 Black Yes Z ZN
Nickel Aluminium Bronze DGS 1043 / NES 833 (Marine) 01 B 2
Non-Standard Plating Material Colour RoHS Group A Group B 7
Stainless Steel 303 S31 / 304 62 S 4
Anodise Blue to DEF 03-25 Blue Yes - AB
Non-Standard Materials Group 1 Group 2 Group 3
Anodise Red to DEF 03-25 Red Yes - AR 8
Brass CZ 121 - - 3
Electroless Nickel, high Phosphor, BS EN ISO 4527:2003 Silver Yes - CHP
Stainless Steel 316 (Marine) - - 46
Bright electroless Nickel to MIL-C-26047D, class 4, grade C Silver Yes - F
HDHC Copper CA 104 - - 5 9
Hard anodise Grey Grey Yes - HA
Black Acetal (cost effective plastic) - - 7
Iridite conversion of Alocrom 1200, clear/iridescent (aluminium only) - Yes -
PEEK GL30 (30% glass filled) high temperature composite - - 73 10
Nickel/PTFE Black Yes - TN
ULTEM 2300 (30% glass filled) standard composite - - 74
Unplated clean finish not shot blasted - Yes - U
Please contact sales office for materials not listed above 11
Silver plate 5 microns to DEF 03-9 - Yes - V
Plating 12
CADMIUM (B) - The historical standard PASSIVATED (J) - Removes surface
finish for military and industrial connectors contaminants and produces a surface condition 13
and backshells, offering excellent salt spray which is resistant to corrosive action. Provides
corrosion resistance. a higher degree of corrosion resistance with
ELECTROLESS NICKEL (C) - Commonly used finished parts retaining the dimension they had 14
on industrial and high temperature applications, prior to treatment.
where a non-reflective finish and high corrosion ZINC COBALT (U) - Offers enhanced corrosion
resistance is not essential. resistance compared to traditional zinc plating 15
HARD ANODISED (G) - Used where the need of the same thickness. By electroplating zinc
for surface hardness and abrasion resistance and cobalt to the particular metal, the end 16
is the main criteria. The build up for hard coat result is a uniform ductility.
anodising is much thicker than your standard SHOT BLAST (W) - For a non reflective finish.
anodising. 17
BLACK ZINC NICKEL (Z) - The latest RoHS
compliant solution to environmental plating of
connectors and backshells, offering high levels 18
of compatibility with other plating materials.

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