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MS27789-21A — SWITCH,TOGGLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MS27789-21A: SWITCH,TOGGLE.

The SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNT, body_width: 1.340 INCHES MAXIMUM IN, body_length: 1.660 INCHES MAXIMUM IN, thread_class: 2A A, actuator_style: ROUND, bushing_length: 0.470 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-347-8831, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MS27789-21A
NSN: 5930-01-347-8831
FSC: 5930 — Switches
CAGE: KCV81 — AVIATION SPARES AND REPAIRS LTD (GBR)
SPECIFICATIONS
body_styleBUSHING MOUNT
body_width1.340 INCHES MAXIMUM IN
body_length1.660 INCHES MAXIMUM IN
thread_class2A A
actuator_styleROUND
bushing_length0.470 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
actuator_height1.050 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
actuator_diameter0.420 INCHES NOMINAL IN
nominal_thread_size0.469 INCHES IN
thread_quantity_per_inch32
NSN5930-01-347-8831
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN MS27789-21A MFR SWITCH,TOGGLE
KEY FEATURES
•
BUSHING LENGTH: 0.470 INCHES MAXIMUM IN
•
ACTUATOR DIAMETER: 0.420 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
ACTUATOR POSITION-LOCKING RELATIONSHIP: UP POSITION LOCKED IN AND DOWN POSITION LOCKED IN AND CENTER POSITION LOCKED IN
•
BODY STYLE: BUSHING MOUNT
•
ACTUATOR STYLE: ROUND
•
MOUNTING METHOD: THREADED BUSHING
•
BODY WIDTH: 1.340 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.470 INCHES MAXIMUM IN
ACTUATOR DIAMETER0.420 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
ACTUATOR POSITION-LOCKING RELATIONSHIPUP POSITION LOCKED IN AND DOWN POSITION LOCKED IN AND CENTER POSITION LOCKED IN
BODY STYLEBUSHING MOUNT
ACTUATOR STYLEROUND
MOUNTING METHODTHREADED BUSHING
BODY WIDTH1.340 INCHES MAXIMUM IN
MOUNTING SURFACE TO TERMINAL END DISTANCE1.706 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.469 INCHES IN
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES 2
MIL-S-3950Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-3950Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS27789-21A?
MS27789-21A is a SWITCH,TOGGLE.
What parts can replace MS27789-21A?
There are 2 known substitutes for MS27789-21A: MIL-S-3950, MIL-DTL-3950. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27789-21A?
MS27789-21A is cataloged in the U.S. Government catalog under NSN 5930-01-347-8831. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.