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Technical Data Sheet
RNR55H1781FM ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.250 INCHES NOMINAL IN, body_diameter: 0.109 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, terminal_length: 1.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-061-2700, 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
MRO MRO_GENERAL RNR55H1781FM
NSN: 5950-00-061-2700
FSC: 5950
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_length0.250 INCHES NOMINAL IN
body_diameter0.109 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
terminal_length1.500 INCHES NOMINAL IN
frequency_rating100.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
style_designatorAXIAL TERMINAL EACH END
body_outside_diameter0.960 INCHES NOMINAL IN
electrical_resistance1.780 KILOHMS
reliability_indicatorESTABLISHED
impedance_rating_in_ohms500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-061-2700
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN RNR55H1781FM MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
INCLOSURE TYPE: HERMETICALLY SEALED
IMPEDANCE RATING IN OHMS: 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
MAXIMUM TRANSFORMER POWER RATING: 1.0 WATTS SINGLE COMPONENT
BODY OUTSIDE DIAMETER: 0.960 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.170 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
INCLOSURE TYPEHERMETICALLY SEALED
IMPEDANCE RATING IN OHMS500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
MAXIMUM TRANSFORMER POWER RATING1.0 WATTS SINGLE COMPONENT
BODY OUTSIDE DIAMETER0.960 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.170 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
BODY LENGTH1.440 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
RNC55J1781FSInterchangeable
interchangeable cross-reference
interchangeable
RNR55H1781FMInterchangeable
interchangeable cross-reference
interchangeable
RNC55J1781FRInterchangeable
interchangeable cross-reference
interchangeable
H220Interchangeable
interchangeable cross-reference
interchangeable
H220-00Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-55182/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RNR55H1781FM?
RNR55H1781FM is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace RNR55H1781FM?
There are 8 known substitutes for RNR55H1781FM: RNC55J1781FS, RNR55H1781FM, RNC55J1781FR and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RNR55H1781FM?
RNR55H1781FM is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-061-2700. This indicates validated use in U.S. government and defense supply chains.
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