PartsTable
Technical Data Sheet
RWR78S4990FM ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include body_length: 1.780 INCHES NOMINAL IN, body_diameter: 0.375 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, terminal_length: 1.500 INCHES MINIMUM IN, style_designator: AXIAL TERMINAL EACH END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-047-1484, 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 RWR78S4990FM
NSN: 5905-01-047-1484
FSC: 5905
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_length1.780 INCHES NOMINAL IN
body_diameter0.375 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
terminal_length1.500 INCHES MINIMUM IN
style_designatorAXIAL TERMINAL EACH END
electrical_resistance499.000 OHMS
reliability_indicatorNOT ESTABLISHED
specification/standard_data81349-MIL-R-26/7 GOVERNMENT SPECIFICATION
criticality_code_justificationZZZY
resistance_tolerance_in_percent-1.000 TO 1.000
ambient_temp_at_full_rated_power25.0 CELSIUS DEGC
NSN5905-01-047-1484
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN RWR78S4990FM MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
INCLOSURE TYPE: ENCAPSULATED
BODY LENGTH: 1.780 INCHES NOMINAL IN
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
AMBIENT TEMP AT FULL RATED POWER: 25.0 CELSIUS DEGC
RELIABILITY INDICATOR: NOT ESTABLISHED
POWER DISSIPATION RATING IN WATTS: 10.000 FREE AIR
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 275.0
BODY DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE TYPEENCAPSULATED
BODY LENGTH1.780 INCHES NOMINAL IN
TERMINAL LENGTH1.500 INCHES MINIMUM IN
AMBIENT TEMP AT FULL RATED POWER25.0 CELSIUS DEGC
RELIABILITY INDICATORNOT ESTABLISHED
POWER DISSIPATION RATING IN WATTS10.000 FREE AIR
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER275.0
BODY DIAMETER0.375 INCHES NOMINAL IN
TERMINAL TYPEWIRE LEAD
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS-55.0 TO 275.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
202-16110-3Interchangeable
interchangeable cross-reference
interchangeable
210-3-1Interchangeable
interchangeable cross-reference
interchangeable
RM52 LHA4972-4A-82Interchangeable
interchangeable cross-reference
interchangeable
72G2153Interchangeable
interchangeable cross-reference
interchangeable
52J0CA80110Interchangeable
interchangeable cross-reference
interchangeable
AN3108B 36-1PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RWR78S4990FM?
RWR78S4990FM is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace RWR78S4990FM?
There are 21 known substitutes for RWR78S4990FM: 202-16110-3, 210-3-1, RM52 LHA4972-4A-82 and 18 more. Substitute compatibility should be verified for your specific system.
Is RWR78S4990FM still available?
RWR78S4990FM is currently cancelled.
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