Switches & Circuit Breakers
ATA · 2171 parts
Switches & Circuit Breakers brings together the parts, hardware, and consumables your maintenance program calls out for this system. Each listing shows its condition and the certification paperwork available for that part, from new PMA/OEM stock to overhauled and serviceable units, so you can confirm airworthiness before buying and request an FAA 8130-3 or manufacturer Certificate of Conformance where one applies.
Air Pressure Switch/Normally open, 42 knots, adjustable. MPL-503-S-1.12-SPC
P/N MPL-503-S-1.12-SPC
NE
Edmo
$62.32
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Miniature, on/off/on, positive action, 28 Vdc. MS24656211
P/N MS24656211
NE
Edmo
$94.58
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-None-Off. MS24656-221
P/N MS24656-221
NE
Eaton
$158.16
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, momentary. 8867K2
P/N 8867K2
NE
Eaton
$106.94
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Dpst (double pole single throw), None-Off-On, panel mount. MS24656-281
P/N MS24656-281
NE
Eaton
Quote only
Backorder
Toggle Switch/Dpdt (double pole, double throw), None-On-On, panel mount.
P/N MS24656321
NE
Edmo
Quote only
Backorder
Toggle Switch/Stsd (single pole single throw), On-Off-On, panel mount, center position lock. MS24659-31E
P/N MS24659-31E
NE
Edmo
Quote only
Backorder
Switch/MS25089-4A MS25089-4a
P/N MS25089-4a
NE
Edmo
$37.47
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-On-On, panel mount, screw terminals, environmentally sealed. 8501K18
P/N 8501K18
NE
Eaton
$66.57
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating. 1-1437558-0
P/N 1-1437558-0
NE
Ati
$16.24
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Spdt (single pole double throw), On-Off-On, hole mount, terminal seal, gold flash over silver plating, green. 1-1437558-2
P/N 1-1437558-2
NE
Ati
$19.63
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Spdt (single pole double throw), panel mount, gold flash over silver plating, on-off-on 1-1437558-6
P/N 1-1437558-6
NE
Ati
$29.86
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole-double throw), On-None-On, panel mount, terminal seal, gold flash over silver plating. 2-1437558-0
P/N 2-1437558-0
NE
Ati
$16.88
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole-double throw), On-Off-On, panel mount, terminal seal, gold flash over silver plating. MTA-206P
P/N MTA-206P
NE
Ati
$19.73
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/3PDT (3 pole-double throw), On-Off-On, through hole mount, solder pin, gold flash over silver plating. 3-1437558-7
P/N 3-1437558-7
NE
Ati
$32.01
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/4PDT (4 pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating. 4-1437558-3
P/N 4-1437558-3
NE
Ati
$31.72
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/4PDT (4 pole double throw), On-Off-On, panel mount, terminal seal, gold flash over silver plating. 4-1437558-5
P/N 4-1437558-5
NE
Ati
$28.87
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating. 3-1437559-4
P/N 3-1437559-4
NE
Ati
$22.82
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating, green. MTL206N
P/N MTL206N
NE
Ati
$23.27
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-Off-On, hole mount, terminal seal, gold flash over silver plating, green. MTL206P
P/N MTL206P
NE
Ati
$52.32
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/SP3T (single pole triple throw), hole mount, terminal seal, gold flash over silver plating, on-on-on
P/N MTL-206PA
NE
Ati
Quote only
Backorder
Toggle Switch/3PDT (3 pole double throw), hole mount, terminal seal, gold flash over silver plating, on-none-on MTL-306D,4-1437559-2
P/N MTL-306D,4-1437559-2
NE
Ati
$53.25
Price and availability checked Nov 6, 2026 MST
Backorder
Air Pressure Switch/Normally open, 42 knots, adjustable. MPL-503-S-1.12-SPC
NE
P/N MPL-503-S-1.12-SPC
Edmo
$62.32
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Miniature, on/off/on, positive action, 28 Vdc. MS24656211
NE
P/N MS24656211
Edmo
$94.58
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-None-Off. MS24656-221
NE
P/N MS24656-221
Eaton
$158.16
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole double throw), On-Off-On, momentary. 8867K2
NE
P/N 8867K2
Eaton
$106.94
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Dpst (double pole single throw), None-Off-On, panel mount. MS24656-281
NE
P/N MS24656-281
Eaton
Quote only
Backorder
Toggle Switch/Dpdt (double pole, double throw), None-On-On, panel mount.
NE
P/N MS24656321
Edmo
Quote only
Backorder
Toggle Switch/Stsd (single pole single throw), On-Off-On, panel mount, center position lock. MS24659-31E
NE
P/N MS24659-31E
Edmo
Quote only
Backorder
Switch/MS25089-4A MS25089-4a
NE
P/N MS25089-4a
Edmo
$37.47
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-On-On, panel mount, screw terminals, environmentally sealed. 8501K18
NE
P/N 8501K18
Eaton
$66.57
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating. 1-1437558-0
NE
P/N 1-1437558-0
Ati
$16.24
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Spdt (single pole double throw), On-Off-On, hole mount, terminal seal, gold flash over silver plating, green. 1-1437558-2
NE
P/N 1-1437558-2
Ati
$19.63
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Spdt (single pole double throw), panel mount, gold flash over silver plating, on-off-on 1-1437558-6
NE
P/N 1-1437558-6
Ati
$29.86
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Dpdt (double pole-double throw), On-None-On, panel mount, terminal seal, gold flash over silver plating. 2-1437558-0
NE
P/N 2-1437558-0
Ati
$16.88
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole-double throw), On-Off-On, panel mount, terminal seal, gold flash over silver plating. MTA-206P
NE
P/N MTA-206P
Ati
$19.73
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/3PDT (3 pole-double throw), On-Off-On, through hole mount, solder pin, gold flash over silver plating. 3-1437558-7
NE
P/N 3-1437558-7
Ati
$32.01
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/4PDT (4 pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating. 4-1437558-3
NE
P/N 4-1437558-3
Ati
$31.72
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/4PDT (4 pole double throw), On-Off-On, panel mount, terminal seal, gold flash over silver plating. 4-1437558-5
NE
P/N 4-1437558-5
Ati
$28.87
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/Spdt (single pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating. 3-1437559-4
NE
P/N 3-1437559-4
Ati
$22.82
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-None-On, hole mount, terminal seal, gold flash over silver plating, green. MTL206N
NE
P/N MTL206N
Ati
$23.27
Price and availability checked Nov 6, 2026 MST
In stock
Toggle Switch/Dpdt (double pole double throw), On-Off-On, hole mount, terminal seal, gold flash over silver plating, green. MTL206P
NE
P/N MTL206P
Ati
$52.32
Price and availability checked Nov 6, 2026 MST
Backorder
Toggle Switch/SP3T (single pole triple throw), hole mount, terminal seal, gold flash over silver plating, on-on-on
NE
P/N MTL-206PA
Ati
Quote only
Backorder
Toggle Switch/3PDT (3 pole double throw), hole mount, terminal seal, gold flash over silver plating, on-none-on MTL-306D,4-1437559-2
NE
P/N MTL-306D,4-1437559-2
Ati
$53.25
Price and availability checked Nov 6, 2026 MST
Backorder