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Technical Data Sheet
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645A849H01 — Technical Data Sheet

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— · COMPONENT
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 COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: TRANSMISSION LINE, overall_width: 1.930 INCHES NOMINAL IN, overall_height: 0.540 INCHES NOMINAL IN, overall_length: 5.380 INCHES NOMINAL IN, radio_frequency_rating: 2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5985-01-182-1119, 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
645A849H01
NSN: 5985-01-182-1119
FSC: 5985
CAGE: 48306 — NORTHROP GRUMMAN SUPPORT SERVICES CORP (USA)
SPECIFICATIONS
unit_typeTRANSMISSION LINE
overall_width1.930 INCHES NOMINAL IN
overall_height0.540 INCHES NOMINAL IN
overall_length5.380 INCHES NOMINAL IN
radio_frequency_rating2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM
NSN5985-01-182-1119
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 645A849H01 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
RADIO FREQUENCY RATING: 2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM
•
UNIT TYPE: TRANSMISSION LINE
TECHNICAL CHARACTERISTICS
RADIO FREQUENCY RATING2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM
OVERALL WIDTH1.930 INCHES NOMINAL IN
OVERALL LENGTH5.380 INCHES NOMINAL IN
UNIT TYPETRANSMISSION LINE
OVERALL HEIGHT0.540 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
X5008/12/149/27InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
149/27InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
X5008/12/149 ITEM 27InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-27047InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
27147InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SW33556-7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 645A849H01?
645A849H01 is a COUPLER,DIRECTIONAL.
What parts can replace 645A849H01?
There are 9 known substitutes for 645A849H01: X5008/12/149/27, 149/27, X5008/12/149 ITEM 27 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 645A849H01?
645A849H01 is cataloged in the Federal Logistics Information System under NSN 5985-01-182-1119. 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: September 2026