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Technical Data Sheet
PartsTable / COMPONENT / M21604/S3JL4
M21604/S3JL4 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The M21604/S3JL4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-432-7641, 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
M21604/S3JL4
NSN: 5930-00-432-7641
FSC: 5930
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM21604/S3JL4
NSN5930-00-432-7641
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M21604/S3JL4 TITLE COMPONENT PN M21604/S3JL4 MFR M21604/S3JL4
KEY FEATURES
•
SWITCH ACTUATOR STOP DEVICE TYPE: ADJUSTABLE STOP SINGLE ACTUATOR
•
THREAD LENGTH: 0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
OPERATING TEMP RANGE: -65.0 TO 125.0 CELSIUS DEGC
•
CONTACT VOLTAGE RATING IN VOLTS: 28.0 DC AT SEA LEVEL
•
PRECIOUS MATERIAL AND LOCATION: CONTACT SURFACES SILVER
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
TECHNICAL CHARACTERISTICS (FLIS)
SWITCH ACTUATOR STOP DEVICE TYPEADJUSTABLE STOP SINGLE ACTUATOR
THREAD LENGTH0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
OPERATING TEMP RANGE-65.0 TO 125.0 CELSIUS DEGC
OVERALL LENGTH3.719 INCHES NOMINAL IN
CONTACT VOLTAGE RATING IN VOLTS28.0 DC AT SEA LEVEL
PRECIOUS MATERIAL AND LOCATIONCONTACT SURFACES SILVER
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
CONTACT VOLTAGE RATING IN VOLTS125.0 AC AT SEA LEVEL
CONTACT SWITCHING ACTIONBREAKS BEFORE MAKES EACH SECTION FRONT
KNOB MANUFACTURER CODE82121
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
3JL33301AInterchangeable
interchangeable cross-reference
interchangeable
S31JL1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-21604/3Interchangeable
interchangeable cross-reference
interchangeable
4059-172PC9Interchangeable
interchangeable cross-reference
interchangeable
4047-430PC47Interchangeable
interchangeable cross-reference
interchangeable
MILS21604Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M21604/S3JL4?
M21604/S3JL4 is a M21604/S3JL4.
What parts can replace M21604/S3JL4?
There are 24 known substitutes for M21604/S3JL4: 3JL33301A, S31JL1, MIL-DTL-21604/3 and 21 more. Substitute compatibility should be verified for your specific system.
Is M21604/S3JL4 still available?
M21604/S3JL4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026