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BACC45FS

Plug, Threaded

Boeing Approved Mil-C-26500 Connectors

BACC45FS are Threaded Plugs manufactured under Mil-C-26500. The equivalent MS number is MS24266RxxTxxxx. It is thread 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
BACC45FS 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 BACC45FS 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 BACC45FS available at Stealth Aerospace in Los Angeles / Canopa Park area Aerospace Turret / Positioner for BACC45FS available at Stealth Aerospace in Los Angeles / Canopa Park area Aerospace Cable Insertion Tool for BACC45FS available at Stealth Aerospace in Los Angeles / Canopa Park area Aerospace Cable Removal Tool for BACC45FS 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.

BACC45FS10-5P
BACC45FS10-5S
BACC45FS10-5S6
BACC45FS10-5S7
BACC45FS10-5S8
BACC45FS10-5S9
BACC45FS10A5P
BACC45FS10A5S
BACC45FS10A5S6
BACC45FS10A5S7
BACC45FS10A5S8
BACC45FS10A5S9
BACC45FS10B5P
BACC45FS10B5S
BACC45FS10B5S6
BACC45FS10B5S7
BACC45FS10B5S8
BACC45FS10B5S9
BACC45FS10C5P
BACC45FS10C5S
BACC45FS10C5S6
BACC45FS10C5S7
BACC45FS10E5S8
BACC45FS12-12S
BACC45FS12-3P
BACC45FS12-3P6
BACC45FS12-3S
BACC45FS12-3S6
BACC45FS12-3S8
BACC45FS12-3S9
BACC45FS12-3SN
BACC45FS12A12S
BACC45FS12A3P
BACC45FS12A3P6
BACC45FS12A3S
BACC45FS12A3S6
BACC45FS12A3S8
BACC45FS12A3S9
BACC45FS12A3SN
BACC45FS12B12S
BACC45FS12B3P
BACC45FS12B3P6
BACC45FS12B3S
BACC45FS12B3S6
BACC45FS12B3S7
BACC45FS12B3S8
BACC45FS12B3S9
BACC45FS12C12S
BACC45FS12C3P
BACC45FS12C3P6
BACC45FS12C3S
BACC45FS12C3S6
BACC45FS12C3S8
BACC45FS12C3S9
BACC45FS12D12S
BACC45FS12D3P6
BACC45FS12E3SN
BACC45FS14-15S
BACC45FS14-15S6
BACC45FS14-4S
BACC45FS14-7P
BACC45FS14-7P6
BACC45FS14-7S
BACC45FS14-7S7
BACC45FS14A15S
BACC45FS14A15S6
BACC45FS14A4S
BACC45FS14A7P
BACC45FS14A7P6
BACC45FS14A7S
BACC45FS14A7S6
BACC45FS14B15S6
BACC45FS14B4S
BACC45FS14B7P
BACC45FS14B7P6
BACC45FS14B7S
BACC45FS14B7S6
BACC45FS14C15S6
BACC45FS14C4S
BACC45FS14C7P
BACC45FS14C7P6
BACC45FS14C7S
BACC45FS14C7S6
BACC45FS14D7P
BACC45FS16-10P
BACC45FS16-10S
BACC45FS16-24S
BACC45FS16-24S6
BACC45FS16A10P
BACC45FS16A10S
BACC45FS16A24S
BACC45FS16B10P
BACC45FS16B10S
BACC45FS16B24S
BACC45FS16C10P
BACC45FS16C10S
BACC45FS16C24P
BACC45FS16C24S
BACC45FS16E10P
BACC45FS18-14P
BACC45FS18-14P6
BACC45FS18-14S
BACC45FS18A14P
BACC45FS18A14P6
BACC45FS18A14S
BACC45FS18B14P
BACC45FS18B14P6
BACC45FS18B14S
BACC45FS18C14P
BACC45FS18C14P6
BACC45FS18C14S

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.