Series-5-Catalog

BACKSHELLS

Materials & Finishes, Assembly Torque Values

MATERIALS & FINISHES Amphenol offers adapters in the following standard finishes. The base material is aluminum alloy. MATERIAL: Aluminum parts: As per ASTM B 211, 221, 209, 85, 26 Steel parts:

MIL (QPL) QUALIFICATION Many Amphenol Backshells are qualified to SAE-AS 85049 standard. (Old standard is MIL-C-85049).

300 series, as per AMS-QQ-S-763/ASTM A 582

Elastomers: Other parts:

FFlourselicone, Silicone

Suitable corrosion resistant material

TABLE-2 (PLATING FINISHES)

MIL Designation

Amphenol Designation

Finish

Guiding Specifications/Requirements

L

Nickel, Bright

AMS-QQ-290, Class-1, Grade-F AMS-C-26074, Class-4, Grade-B To meet AS85049 requirements AMS-QQ-P-416, Type II, Class 3

M N U

Electroless Nickel Electroless Nickel

N

Cadmium, Olive drab

AMS-QQ-P-416, Type-II, Class-3 (Cadmium); AMS-C-26074, Class-4, grade-B (Nickel)

V

Cadmium, Olive drab over Electroless Nickel

W

W

Cadmium, Olive drab over Electroless Nickel

To meet AS85049 requirements

* * *

T

Durmalon

AP-93

Z

Black Zinc Nickel

* Contact Factory

ASSEMBLY TORQUE VALUES Amphenol recommends the following torque values for its adapters while assembling them to the connectors. These values are based on the coupling thread strength specified in SAE-AS85049 standard.

STYLE-2 CONFIGURATION Applications requiring larger diameter cables than the standard shell size; the backshell will be modified to Style-2 as shown in the sketch below. The overall length of the Style-2 backshell will increase by approximately 1 inch (25mm).

Connector Shell Size

Torque (Inch-Pounds)

8

40 40 40 40

1.00 INCH (MAX.) 25.4 MM (MAX.)

10 12 14

* Contact Sales@Backshellworld.com for part numbers & availability

48

Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com

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