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77203LF — SWITCH,ROTARY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

77203LF: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR, flat_height: 0.219 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 0.969 INCHES NOMINAL SINGLE ACTUATOR IN, pole_quantity: 2 EACH SECTION REAR, terminal_type: TAB W/SCREW, thread_length: 0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-009-4437, 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
77203LF
NSN: 5930-00-009-4437
FSC: 5930 — Switches
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)
SPECIFICATIONS
shaft_typeROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR
flat_height0.219 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length0.969 INCHES NOMINAL SINGLE ACTUATOR IN
pole_quantity2 EACH SECTION REAR
terminal_typeTAB W/SCREW
thread_length0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_length4.376 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity3 EACH SECTION REAR
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
overall_diameter2.000 INCHES NOMINAL IN
special_featuresITEM MUST COMPLY WITH REQUIREMENTS OF DESC PRODUCTION STANDARD NO. L00014; FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
NSN5930-00-009-4437
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 77203LF MFR SWITCH,ROTARY
KEY FEATURES
•
SHAFT TYPE: ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
TERMINAL TYPE: TAB W/SCREW
•
OVERALL DIAMETER: 2.000 INCHES NOMINAL IN
•
FIRST FLAT LENGTH: 0.750 INCHES NOMINAL SINGLE ACTUATOR IN
•
CONTACT LOAD CURRENT RATING: 5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
•
MOUNTING METHOD: THREADED BUSHING SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
TERMINAL TYPETAB W/SCREW
OVERALL DIAMETER2.000 INCHES NOMINAL IN
FIRST FLAT LENGTH0.750 INCHES NOMINAL SINGLE ACTUATOR IN
CONTACT LOAD CURRENT RATING5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
THREAD LENGTH0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
CRITICALITY CODE JUSTIFICATIONFEAT
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 1
E123A8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77203LF?
77203LF is a SWITCH,ROTARY.
What parts can replace 77203LF?
There is 1 known substitute for 77203LF: E123A8. Substitute compatibility should be verified for your specific system.
What is the NSN for 77203LF?
77203LF is cataloged in the U.S. Government catalog under NSN 5930-00-009-4437. 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.