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BACC45FT

Plug, Bayonet
Connector BACC45FT12 12P

Boeing Approved Mil-C-26500 Connectors

BACC45FT are Bayonet Plugs manufactured under Mil-C-26500 Class R,Type B, and MS24266 Type B. The equivalent MS number is MS24266RxxBxxxx. It is coupled with rear insertion, front release contacts. This connector can be purchased from Stealth Aerospace with or without contacts. When ordering without contacts, please use the term "less contacts" on the order.

This series is currently available in 2 revisions from Stealth Aerospace. Revision U and Revision W. The correct revision for you depends on your application and/or the aircraft where the connector are installed. Under Rev U, the connectors are marked with their equivalent MS number under Mil-C-26500 and tagged with the Boeing part number. Under revision W, the connectors are marked with the Boeing number. Revision W is used mostly on newer aircraft. Please check Boeing Specification Sheets for exact differences between the revisions.

How to order information:

Boeing Series Shell Size Optional Cable Support Insert Arrangement Contact Style Polarization
BACC45FT 10 5 S 6
Available Sizes 8, 10, 12, 14, 16, 18, 20, 22, 24

“-” No Cable Clamp

A – BACC10GH, (1 Legged)

B – MS27559, (90 Degree)

C – MS27291, (Straight)

D – BACC10JC (Special)

E – BACC10JS (Special)

Aerospace Optional Cable Support for BACC45FT available at Stealth Aerospace in Los Angeles / Canopa Park area(MS27291)

Per MIL-STD-1554 and for Shell Size 24()30and ()42 per BACI10N

Varies With Shell Size

S – Sockets P – Pins

None – Normal


Others 6,7,8,9,10


Since about 2000, the drawing was revised to omit the letter ‘N’ for the normal polarization. Before 2000, ‘N’ was placed at the end of the part number to designate Normal.

Tools Used:

Contacts Size Crimp Tool Turret (Positioner) Insertion Tool Removal Tool
Contacts Size Crimp Tool Turret (Positioner) Insertion Tool Removal Tool
No. 20 M22520/1-01 M22520/1-02 MS24256A20 MS24256R20
No. 16 M22520/1-01 M22520/1-02 MS24256A16 MS24256R16
No. 12 M22520/1-01 M22520/1-02 MS24256A12 MS24256R12
Aerospace Cable Crimping Tool for BACC45FT available at Stealth Aerospace in Los Angeles / Canopa Park area Aerospace Turret / Positioner for BACC45FT available at Stealth Aerospace in Los Angeles / Canopa Park area Aerospace Cable Insertion Tool for BACC45FT available at Stealth Aerospace in Los Angeles / Canopa Park area Aerospace Cable Removal Tool for BACC45FT available at Stealth Aerospace in Los Angeles / Canopa Park area

We have build an extensive stock in many of the different shell sizes and contact arrangements available. Here is an example of some of our stocking items. Our inventory is too large to list here, but this is an idea of what these part numbers look like. Special sizes and inert arrangements can be build per order.

BACC45FT10-5S
BACC45FT10A5S
BACC45FT10B5S
BACC45FT14-12P
BACC45FT14-12P7
BACC45FT14-15P7
BACC45FT14-15S
BACC45FT14-4P
BACC45FT14-7S
BACC45FT14-7S6
BACC45FT14A12P
BACC45FT14A12P7
BACC45FT14A15P7
BACC45FT14A15S
BACC45FT14A4P
BACC45FT14A7S
BACC45FT14A7S6
BACC45FT14B12P
BACC45FT14B12P7
BACC45FT14B15S
BACC45FT14B4P
BACC45FT14B7S
BACC45FT14B7S6
BACC45FT18-31P
BACC45FT18-31P9
BACC45FT18A31P
BACC45FT18A31P9
BACC45FT18B31P
BACC45FT18B31P9
BACC45FT22-19S
BACC45FT22-55P
BACC45FT22A19S
BACC45FT22A55P
BACC45FT22B19S
BACC45FT22B55P
BACC45FT24-43P8
BACC45FT24A43P8
BACC45FT24B43P8

Please use this page for general information only. Do not rely on this information for design or installations without the proper documentation and training from the original OEM, QPL, and/or PMA holder. Stealth Aerospace shall be held harmless to any damage caused by relying on the information provided within this website.