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Technical Data Sheet
PartsTable / COMPONENT / MIL-PRF-19500/420
MIL-PRF-19500/420 ✓ Verified by PartsTable
— · SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The MIL-PRF-19500/420 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-140-0031, 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-PRF-19500/420
NSN: 5961-00-140-0031
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-PRF-19500/420
NSN5961-00-140-0031
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN MIL-PRF-19500/420 MFR OEM MIL-PRF-19500/420
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
MOUNTING METHOD: TERMINAL
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS AMBIENT AIR DEGC
•
OVERALL DIAMETER: 0.115 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
CURRENT RATING PER CHARACTERISTIC: 50.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
•
TERMINAL LENGTH: 0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
MOUNTING METHODTERMINAL
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS AMBIENT AIR DEGC
OVERALL DIAMETER0.115 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
OVERALL LENGTH0.130 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC50.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
TERMINAL LENGTH0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
524-320-001Interchangeable
interchangeable cross-reference
interchangeable
1N5552Interchangeable
interchangeable cross-reference
interchangeable
200922-003Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-19500/420Interchangeable
interchangeable cross-reference
interchangeable
3SM8Interchangeable
interchangeable cross-reference
interchangeable
JANTX1N5553AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-PRF-19500/420?
MIL-PRF-19500/420 is a MIL-PRF-19500/420.
What parts can replace MIL-PRF-19500/420?
There are 33 known substitutes for MIL-PRF-19500/420: 524-320-001, 1N5552, 200922-003 and 30 more. Substitute compatibility should be verified for your specific system.
Is MIL-PRF-19500/420 still available?
MIL-PRF-19500/420 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