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Technical Data Sheet
PartsTable / COMPONENT / 305A-239
305A-239 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include seal_width: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, housing_bore_diameter: 3.874 INCHES MINIMUM AND 3.876 INCHES MAXIMUM IN, accommodated_shaft_diameter: 3.624 INCHES MINIMUM AND 3.626 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-888-9192, 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
305A-239
NSN: 5961-00-888-9192
FSC: 5961
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
seal_width0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
housing_bore_diameter3.874 INCHES MINIMUM AND 3.876 INCHES MAXIMUM IN
accommodated_shaft_diameter3.624 INCHES MINIMUM AND 3.626 INCHES MAXIMUM IN
NSN5961-00-888-9192
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 305A-239 MFR OEM SEMICONDUCTOR DEVICE,DIODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
QG21Interchangeable
interchangeable cross-reference
interchangeable
5961007245970Interchangeable
interchangeable cross-reference
interchangeable
S177-2Interchangeable
interchangeable cross-reference
interchangeable
305A-239Interchangeable
interchangeable cross-reference
interchangeable
5189268-001Interchangeable
interchangeable cross-reference
interchangeable
305-239Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 305A-239?
305A-239 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 305A-239?
There are 6 known substitutes for 305A-239: QG21, 5961007245970, S177-2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 305A-239?
305A-239 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-888-9192. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026