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Technical Data Sheet

MIL-S-21604/3 — SWITCH,ROTARY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MIL-S-21604/3: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, flat_height: 0.188 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 0.875 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, pole_quantity: 1 EACH SECTION REAR, terminal_type: SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-065-2083, 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
MIL-S-21604/3
NSN: 5930-00-065-2083
NIINs: 000652083, 004327641, 005813784, 005813786, 005813788, 012231545, 012231546
FSC: 5930 — Switches
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
flat_height0.188 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length0.875 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
pole_quantity1 EACH SECTION REAR
terminal_typeSCREW
thread_length0.470 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_length4.010 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity7 EACH SECTION REAR
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
overall_diameter2.000 INCHES NOMINAL IN
NSN5930-00-065-2083
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN MIL-S-21604/3 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
•
NONTURN DEVICE RADIUS: 0.375 INCHES NOMINAL AT 12:00 OCLOCK IN
•
TERMINAL TYPE: TAB W/SCREW
•
OVERALL DIAMETER: 2.000 INCHES NOMINAL IN
•
FIRST FLAT LENGTH: 0.438 INCHES NOMINAL SINGLE ACTUATOR IN
•
CONTACT LOAD CURRENT RATING: 5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
NONTURN DEVICE RADIUS0.375 INCHES NOMINAL AT 12:00 OCLOCK IN
TERMINAL TYPETAB W/SCREW
OVERALL DIAMETER2.000 INCHES NOMINAL IN
FIRST FLAT LENGTH0.438 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
SUBSTITUTES & CROSS-REFERENCES 5
3JL33301AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
S31JL1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-DTL-21604/3Reference document
Same NSN cross-reference
Reference document — Identification reference
S3JL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
288A888BDP1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-S-21604/3?
MIL-S-21604/3 is a SWITCH,ROTARY.
What parts can replace MIL-S-21604/3?
There are 5 known substitutes for MIL-S-21604/3: 3JL33301A, S31JL1, MIL-DTL-21604/3 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-S-21604/3?
MIL-S-21604/3 is cataloged in the U.S. Government catalog under NSN 5930-00-065-2083. 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.