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Technical Data Sheet

HJM-550/12474 — NETWORK,HYBRID CIRCUIT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

HJM-550/12474: NETWORK,HYBRID CIRCUIT.

The NETWORK,HYBRID CIRCUIT is a the manufacturer industrial component. Key specifications include portability: NONPORTABLE, circuit_type: VOICE FREQUENCY, overall_width: 1.870 INCHES MAXIMUM IN, overall_height: 0.750 INCHES MAXIMUM IN, overall_length: 2.110 INCHES NOMINAL IN, frequency_rating: 600.0 MEGAHERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5915-01-274-9494, 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→ HJM-550/12474
NSN: 5915-01-274-9494
FSC: 5915 — Filters and Networks
CAGE: 12457 — MERRIMAC INDUSTRIES, INC (USA)
SPECIFICATIONS
portabilityNONPORTABLE
circuit_typeVOICE FREQUENCY
overall_width1.870 INCHES MAXIMUM IN
overall_height0.750 INCHES MAXIMUM IN
overall_length2.110 INCHES NOMINAL IN
frequency_rating600.0 MEGAHERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
mounting_configuration4 UNTHREADED MTG HOLES SPACED 1.438 IN. BY 0.938 IN. CENTER TO CENTER IN
two-wire_circuit_quantity4
electrical_power_source_relationshipOPERATING
NSN5915-01-274-9494
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NETWORK,HYBRID CIRCUIT TITLE COMPONENT PN HJM-550/12474 MFR NETWORK,HYBRID CIRCUIT
KEY FEATURES
•
CIRCUIT TYPE: VOICE FREQUENCY
•
PORTABILITY: NONPORTABLE
•
TWO-WIRE CIRCUIT QUANTITY: 4
•
ELECTRICAL POWER SOURCE RELATIONSHIP: OPERATING
•
MOUNTING CONFIGURATION: 4 UNTHREADED MTG HOLES SPACED 1.438 IN. BY 0.938 IN. CENTER TO CENTER IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.750 INCHES MAXIMUM IN
CIRCUIT TYPEVOICE FREQUENCY
PORTABILITYNONPORTABLE
OVERALL LENGTH2.110 INCHES NOMINAL IN
OVERALL WIDTH1.870 INCHES MAXIMUM IN
TWO-WIRE CIRCUIT QUANTITY4
ELECTRICAL POWER SOURCE RELATIONSHIPOPERATING
MOUNTING CONFIGURATION4 UNTHREADED MTG HOLES SPACED 1.438 IN. BY 0.938 IN. CENTER TO CENTER IN
FREQUENCY RATING600.0 MEGAHERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
OTHER ITEMS IN FSC 5915 — Filters and Networks
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5915-00-000-0148 5915-00-001-1389 5915-00-001-1621 5915-00-001-2789 5915-00-001-2928 5915-00-001-2936 5915-00-001-3003 5915-00-001-3117
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HJM-550/12474?
HJM-550/12474 is a NETWORK,HYBRID CIRCUIT. It is classified as a MRO (MRO_GENERAL).
What is the NSN for HJM-550/12474?
HJM-550/12474 is cataloged in the U.S. Government catalog under NSN 5915-01-274-9494. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.