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QHM2X312G — COUPLER,TRANSMISSION LINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

QHM2X312G: COUPLER,TRANSMISSION LINE.

The COUPLER,TRANSMISSION LINE is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, overall_width: 2.000 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 2.300 INCHES NOMINAL IN, mounting_configuration: TWO 0.144 IN. DIA MTG HOLES ON 1.450 IN.

MTG CENTERS IN, radio_frequency_rating: 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM. This part is cataloged in the U.S. Government catalog under NSN 5985-01-018-8618, 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
QHM2X312G
NSN: 5985-01-018-8618
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 12457 — MERRIMAC INDUSTRIES, INC (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
overall_width2.000 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length2.300 INCHES NOMINAL IN
mounting_configurationTWO 0.144 IN. DIA MTG HOLES ON 1.450 IN. MTG CENTERS IN
radio_frequency_rating225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM
input_impedance_rating_in_ohms50.0
NSN5985-01-018-8618
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,TRANSMISSION LINE TITLE COMPONENT PN QHM2X312G MFR COUPLER,TRANSMISSION L
KEY FEATURES
•
INPUT IMPEDANCE RATING IN OHMS: 50.0
•
RADIO FREQUENCY RATING: 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM
•
UNIT TYPE: COAXIAL LINE
•
MOUNTING CONFIGURATION: TWO 0.144 IN. DIA MTG HOLES ON 1.450 IN. MTG CENTERS IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
INPUT IMPEDANCE RATING IN OHMS50.0
RADIO FREQUENCY RATING225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM
OVERALL LENGTH2.300 INCHES NOMINAL IN
OVERALL WIDTH2.000 INCHES NOMINAL IN
UNIT TYPECOAXIAL LINE
MOUNTING CONFIGURATIONTWO 0.144 IN. DIA MTG HOLES ON 1.450 IN. MTG CENTERS IN
OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876
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)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is QHM2X312G?
QHM2X312G is a COUPLER,TRANSMISSION LINE.
What is the NSN for QHM2X312G?
QHM2X312G is cataloged in the U.S. Government catalog under NSN 5985-01-018-8618. 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.