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33-90985-1 — SWITCH,ROTARY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

33-90985-1: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 0.938 INCHES NOMINAL SINGLE ACTUATOR IN, overall_width: 1.938 INCHES NOMINAL IN, pole_quantity: 2 THIRD SECTION FRONT, terminal_type: TAB, SOLDER LUG, thread_length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-548-4120, 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
MRO→ MRO_GENERAL→ 33-90985-1
NSN: 5930-00-548-4120
FSC: 5930 — Switches
CAGE: 04655 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.938 INCHES NOMINAL SINGLE ACTUATOR IN
overall_width1.938 INCHES NOMINAL IN
pole_quantity2 THIRD SECTION FRONT
terminal_typeTAB, SOLDER LUG
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.938 INCHES NOMINAL IN
overall_length4.250 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity4 SECOND SECTION REAR
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
special_features1. 6 DUMMY TERMINALS SECT ONE FRONT 2. TWODUMMY TERMINALS SECT THREE FRONT
NSN5930-00-548-4120
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 33-90985-1 MFR SWITCH,ROTARY
KEY FEATURES
•
SHAFT TYPE: ROUND SINGLE ACTUATOR
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
TERMINAL TYPE: TAB, SOLDER LUG
•
DETENT ROTATIONAL TORQUE RANGE: +1.500 TO 2.000 INCH-POUNDS SINGLE ACTUATOR IN
•
MOUNTING METHOD: THREADED BUSHING SINGLE MOUNTING FACILITY
•
THREAD LENGTH: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND SINGLE ACTUATOR
OVERALL HEIGHT1.938 INCHES NOMINAL IN
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
TERMINAL TYPETAB, SOLDER LUG
DETENT ROTATIONAL TORQUE RANGE+1.500 TO 2.000 INCH-POUNDS SINGLE ACTUATOR IN
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
THREAD LENGTH0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
POLE QUANTITY2 SECOND SECTION REAR
POLE QUANTITY2 THIRD SECTION FRONT
SUBSTITUTES & CROSS-REFERENCES 1
27090-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 33-90985-1?
33-90985-1 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 33-90985-1?
There is 1 known substitute for 33-90985-1: 27090-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 33-90985-1?
33-90985-1 is cataloged in the U.S. Government catalog under NSN 5930-00-548-4120. 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.