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PartsTable / COMPONENT / 77C703655P001
77C703655P001 ✓ 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

The MODEM,COMMUNICATIONS is a the manufacturer industrial component. Key specifications include body_width: 1.620 INCHES NOMINAL IN, body_height: 1.620 INCHES NOMINAL IN, body_length: 2.375 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_length: 2.775 INCHES NOMINAL IN, mounting_method: THREADED STUD(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-078-4433, 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
77C703655P001
NSN: 5950-00-078-4433
FSC: 5950
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
body_width1.620 INCHES NOMINAL IN
body_height1.620 INCHES NOMINAL IN
body_length2.375 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_length2.775 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
winding_operating_voltage115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-078-4433
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MODEM,COMMUNICATIONS TITLE COMPONENT PN 77C703655P001 MFR MODEM,COMMUNICATIONS
KEY FEATURES
•
WINDING SHIELDING METHOD: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.032 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
OVERALL LENGTH2.775 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.032 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
INCLOSURE TYPEHERMETICALLY SEALED
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
WINDING OPERATING VOLTAGE6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
THREAD QUANTITY PER INCH32 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5851Interchangeable
interchangeable cross-reference
interchangeable
164-77/UInterchangeable
interchangeable cross-reference
interchangeable
810BA0578Interchangeable
interchangeable cross-reference
interchangeable
164-28Interchangeable
interchangeable cross-reference
interchangeable
5850Interchangeable
interchangeable cross-reference
interchangeable
S64132Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77C703655P001?
77C703655P001 is a MODEM,COMMUNICATIONS.
What parts can replace 77C703655P001?
There are 18 known substitutes for 77C703655P001: 5851, 164-77/U, 810BA0578 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77C703655P001?
77C703655P001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-078-4433. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026