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Technical Data Sheet
PartsTable / COMPONENT / 21K147
21K147 ✓ 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,PHOTO is a the manufacturer industrial component. Key specifications include end_item_identification: INSTRUMENT LANDING SYSTEM (ILS). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-296-5104, 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
21K147
NSN: 5961-01-296-5104
FSC: 5961
CAGE: 80145 — LFE INSTRUMENTS A MARK IV CO (USA)
SPECIFICATIONS
end_item_identificationINSTRUMENT LANDING SYSTEM (ILS)
NSN5961-01-296-5104
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 21K147 MFR OEM SEMICONDUCTOR DEVICE,PHOTO
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONINSTRUMENT LANDING SYSTEM (ILS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
SCOTCHLITE 3275Interchangeable
interchangeable cross-reference
interchangeable
L-S-300Interchangeable
interchangeable cross-reference
interchangeable
3275Interchangeable
interchangeable cross-reference
interchangeable
717-011563Interchangeable
interchangeable cross-reference
interchangeable
40330Interchangeable
interchangeable cross-reference
interchangeable
12117SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21K147?
21K147 is a SEMICONDUCTOR DEVICE,PHOTO.
What parts can replace 21K147?
There are 18 known substitutes for 21K147: SCOTCHLITE 3275, L-S-300, 3275 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21K147?
21K147 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-296-5104. 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