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Technical Data Sheet
PartsTable / COMPONENT / 1773945
1773945 ✓ Verified by PartsTable
— · 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include body_style: RECTANGULAR, switch_type: NONTRANSFER, overall_width: 1.313 INCHES NOMINAL IN, overall_height: 1.375 INCHES NOMINAL IN, overall_length: 1.313 INCHES NOMINAL IN, switching_time: 20.0 MILLISECONDS MS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-706-8271, 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
1773945
NSN: 5985-00-706-8271
FSC: 5985
CAGE: 74868 — AMPHENOL CORPORATION DIV AMPHENOL RF (USA)
SPECIFICATIONS
body_styleRECTANGULAR
switch_typeNONTRANSFER
overall_width1.313 INCHES NOMINAL IN
pole_quantity1
overall_height1.375 INCHES NOMINAL IN
overall_length1.313 INCHES NOMINAL IN
switching_time20.0 MILLISECONDS MS
throw_quantity2
frequency_rating0.0 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
nominal_thread_size0.112 INCHES MOUNTING FACILITY HOLE IN
connector_end_designFEMALE
operating_temp_range-65.0 TO 85.0 CELSIUS DEGC
NSN5985-00-706-8271
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN 1773945 MFR SWITCH,RADIO FREQUENCY
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
•
SWITCHING TIME: 20.0 MILLISECONDS MS
•
SWITCH OPERATION SEQUENCE: BREAKS BEFORE MAKES
•
VOLTAGE STANDING WAVE RATIO: 1.30 SINGLE
•
RF POWER HANDLING CAPABILITY: 100.0 WATTS AVERAGE SINGLE
•
CONNECTOR END DESIGN: FEMALE
•
ACTUATOR VOLTAGE IN VOLTS: 26.0 NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
SWITCHING TIME20.0 MILLISECONDS MS
SWITCH OPERATION SEQUENCEBREAKS BEFORE MAKES
VOLTAGE STANDING WAVE RATIO1.30 SINGLE
RF POWER HANDLING CAPABILITY100.0 WATTS AVERAGE SINGLE
CONNECTOR END DESIGNFEMALE
OVERALL HEIGHT1.375 INCHES NOMINAL IN
ACTUATOR VOLTAGE IN VOLTS26.0 NOMINAL
BODY STYLERECTANGULAR
OVERALL LENGTH1.313 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
787AS293Interchangeable
interchangeable cross-reference
interchangeable
CR-22Interchangeable
interchangeable cross-reference
interchangeable
999-4000-0264Interchangeable
interchangeable cross-reference
interchangeable
999-4001-0364Interchangeable
interchangeable cross-reference
interchangeable
410-0190-000Interchangeable
Same NIIN cross-reference
interchangeable
300-10031Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1773945?
1773945 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace 1773945?
There are 7 known substitutes for 1773945: 787AS293, CR-22, 999-4000-0264 and 4 more. Substitute compatibility should be verified for your specific system.
Is 1773945 still available?
1773945 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026