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GC851AM1 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GC851AM1: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: TRANSMISSION LINE, design_type: BIDIRECTIONAL, overall_width: 1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN, overall_height: 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN, overall_length: 3.930 INCHES MINIMUM AND 3.960 INCHES MAXIMUM IN, power_loss_in_decibels: 10.0. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-256-4249, 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
GC851AM1
NSN: 5985-00-256-4249
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
unit_typeTRANSMISSION LINE
design_typeBIDIRECTIONAL
overall_width1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN
overall_height0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
overall_length3.930 INCHES MINIMUM AND 3.960 INCHES MAXIMUM IN
power_loss_in_decibels10.0
radio_frequency_rating1.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
NSN5985-00-256-4249
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN GC851AM1 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
POWER LOSS IN DECIBELS: 10.0
•
DESIGN TYPE: BIDIRECTIONAL
•
RADIO FREQUENCY RATING: 1.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
•
UNIT TYPE: TRANSMISSION LINE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
POWER LOSS IN DECIBELS10.0
DESIGN TYPEBIDIRECTIONAL
RADIO FREQUENCY RATING1.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
OVERALL LENGTH3.930 INCHES MINIMUM AND 3.960 INCHES MAXIMUM IN
OVERALL WIDTH1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN
UNIT TYPETRANSMISSION LINE
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 1
4202B10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC851AM1?
GC851AM1 is a COUPLER,DIRECTIONAL.
What parts can replace GC851AM1?
There is 1 known substitute for GC851AM1: 4202B10. Substitute compatibility should be verified for your specific system.
What is the NSN for GC851AM1?
GC851AM1 is cataloged in the U.S. Government catalog under NSN 5985-00-256-4249. 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.