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Technical Data Sheet
PartsTable / MRO / C421-1
C421-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 WIRING HARNESS,BRANCHED is a the manufacturer industrial component. Key specifications include modem_type: CHANNEL, overall_depth: 18.000 INCHES NOMINAL IN, overall_width: 19.000 INCHES NOMINAL IN, overall_height: 3.500 INCHES NOMINAL IN, special_features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200, functional_description: CONFIGURED ON SITE AS 1 OR 2 CHANNEL MODULATOR; 1 OR 2 CHANNEL DEMODULATOR OR AS A MODEM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-265-2898, 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
MRO→ MRO_GENERAL→ C421-1
NSN: 5895-01-265-2898
FSC: 5895
CAGE: 15230 — NSGDATACOM INC (USA)
SPECIFICATIONS
modem_typeCHANNEL
overall_depth18.000 INCHES NOMINAL IN
overall_width19.000 INCHES NOMINAL IN
overall_height3.500 INCHES NOMINAL IN
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
functional_descriptionCONFIGURED ON SITE AS 1 OR 2 CHANNEL MODULATOR; 1 OR 2 CHANNEL DEMODULATOR OR AS A MODEM
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
received_signal_frequency_rating300.0 HERTZ NOMINAL AND 6000.0 HERTZ MAXIMUM
NSN5895-01-265-2898
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WIRING HARNESS,BRANCHED TITLE COMPONENT PN C421-1 MFR WIRING HARNESS,BRANCHE
KEY FEATURES
•
RECEIVED SIGNAL FREQUENCY RATING: 300.0 HERTZ NOMINAL AND 6000.0 HERTZ MAXIMUM
•
FUNCTIONAL DESCRIPTION: CONFIGURED ON SITE AS 1 OR 2 CHANNEL MODULATOR; 1 OR 2 CHANNEL DEMODULATOR OR AS A MODEM
•
MODEM TYPE: CHANNEL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DEPTH18.000 INCHES NOMINAL IN
RECEIVED SIGNAL FREQUENCY RATING300.0 HERTZ NOMINAL AND 6000.0 HERTZ MAXIMUM
FUNCTIONAL DESCRIPTIONCONFIGURED ON SITE AS 1 OR 2 CHANNEL MODULATOR; 1 OR 2 CHANNEL DEMODULATOR OR AS A MODEM
MODEM TYPECHANNEL
OVERALL HEIGHT3.500 INCHES NOMINAL IN
OVERALL WIDTH19.000 INCHES NOMINAL IN
OVERALL DEPTH18.000 INCHES NOMINAL IN
RECEIVED SIGNAL FREQUENCY RATING300.0 HERTZ NOMINAL AND 6000.0 HERTZ MAXIMUM
FUNCTIONAL DESCRIPTIONCONFIGURED ON SITE AS 1 OR 2 CHANNEL MODULATOR; 1 OR 2 CHANNEL DEMODULATOR OR AS A MODEM
MODEM TYPECHANNEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
40185Interchangeable
interchangeable cross-reference
interchangeable
C421-1Interchangeable
interchangeable cross-reference
interchangeable
CA3956Interchangeable
interchangeable cross-reference
interchangeable
B1Q-MD365-20007Interchangeable
interchangeable cross-reference
interchangeable
MD365-20007Interchangeable
interchangeable cross-reference
interchangeable
10-3416 PC21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C421-1?
C421-1 is a WIRING HARNESS,BRANCHED. It is classified as a MRO (MRO_GENERAL).
What parts can replace C421-1?
There are 9 known substitutes for C421-1: 40185, C421-1, CA3956 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C421-1?
C421-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-265-2898. 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