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Technical Data Sheet
MFB155 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include body_length: 5.250 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN, body_diameter: 1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN, terminal_type: FERRULE, inclosure_type: ENCAPSULATED, terminal_length: 0.500 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN, style_designator: AXIAL TERMINAL EACH END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-191-4935, 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 MFB155
NSN: 5905-00-191-4935
FSC: 5905
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_length5.250 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
body_diameter1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
terminal_typeFERRULE
inclosure_typeENCAPSULATED
terminal_length0.500 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN
style_designatorAXIAL TERMINAL EACH END
electrical_resistance1.500 MEGOHMS
reliability_indicatorNOT ESTABLISHED
resistance_tolerance_in_percent-0.500 TO 0.500
ambient_temp_at_full_rated_power85.0 CELSIUS DEGC
power_dissipation_rating_in_watts1.500 FREE AIR
temp_range_of_temp_coefficient_in_deg_celsius-55.0 TO 110.0
NSN5905-00-191-4935
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND TITLE COMPONENT PN MFB155 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
RESISTANCE TOLERANCE IN PERCENT: -0.500 TO 0.500
TEST DATA DOCUMENT: 81349-MIL-R-29 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 110.0
RELIABILITY INDICATOR: NOT ESTABLISHED
AMBIENT TEMP AT FULL RATED POWER: 85.0 CELSIUS DEGC
INCLOSURE TYPE: ENCAPSULATED
POWER DISSIPATION RATING IN WATTS: 1.500 FREE AIR
BODY LENGTH: 5.250 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
RESISTANCE TOLERANCE IN PERCENT-0.500 TO 0.500
TEST DATA DOCUMENT81349-MIL-R-29 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER110.0
RELIABILITY INDICATORNOT ESTABLISHED
AMBIENT TEMP AT FULL RATED POWER85.0 CELSIUS DEGC
INCLOSURE TYPEENCAPSULATED
POWER DISSIPATION RATING IN WATTS1.500 FREE AIR
BODY LENGTH5.250 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
TERMINAL LENGTH0.500 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN
TERMINAL TYPEFERRULE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MIL-PRF-29Interchangeable
interchangeable cross-reference
interchangeable
MFC604Interchangeable
interchangeable cross-reference
interchangeable
MILR29Interchangeable
interchangeable cross-reference
interchangeable
MFA605Interchangeable
interchangeable cross-reference
interchangeable
JANR29Interchangeable
interchangeable cross-reference
interchangeable
9858MFA405Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MFB155?
MFB155 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace MFB155?
There are 20 known substitutes for MFB155: MIL-PRF-29, MFC604, MILR29 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MFB155?
MFB155 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-191-4935. This indicates validated use in U.S. government and defense supply chains.
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