PartsTable
Technical Data Sheet
MFB255 ✓ 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 RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include body_length: 4.188 INCHES NOMINAL IN, body_diameter: 1.312 INCHES NOMINAL IN, terminal_type: FERRULE, inclosure_type: ENCAPSULATED, terminal_length: 0.516 INCHES NOMINAL IN, style_designator: AXIAL TERMINAL EACH END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-283-5912, 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 MFB255
NSN: 5905-00-283-5912
FSC: 5905
CAGE: 81350 — JOINT ARMY-NAVY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_length4.188 INCHES NOMINAL IN
body_diameter1.312 INCHES NOMINAL IN
terminal_typeFERRULE
inclosure_typeENCAPSULATED
terminal_length0.516 INCHES NOMINAL IN
style_designatorAXIAL TERMINAL EACH END
electrical_resistance2.500 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_watts2.500 FREE AIR
ambient_temp_in_deg_celsius_at_zero_percent_rated_power110.0
NSN5905-00-283-5912
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND TITLE COMPONENT PN MFB255 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
STYLE DESIGNATOR: AXIAL TERMINAL EACH END
BODY DIAMETER: 1.312 INCHES NOMINAL IN
TERMINAL LENGTH: 0.516 INCHES NOMINAL IN
POWER DISSIPATION RATING IN WATTS: 2.500 FREE AIR
TERMINAL TYPE: FERRULE
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 110.0
AMBIENT TEMP AT FULL RATED POWER: 85.0 CELSIUS DEGC
INCLOSURE TYPE: ENCAPSULATED
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORAXIAL TERMINAL EACH END
BODY DIAMETER1.312 INCHES NOMINAL IN
TERMINAL LENGTH0.516 INCHES NOMINAL IN
POWER DISSIPATION RATING IN WATTS2.500 FREE AIR
TERMINAL TYPEFERRULE
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER110.0
AMBIENT TEMP AT FULL RATED POWER85.0 CELSIUS DEGC
INCLOSURE TYPEENCAPSULATED
TEST DATA DOCUMENT81350-JANR29 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.).
BODY LENGTH4.188 INCHES NOMINAL IN
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
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MFB255?
MFB255 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace MFB255?
There are 20 known substitutes for MFB255: MIL-PRF-29, MFC604, MILR29 and 17 more. Substitute compatibility should be verified for your specific system.
Is MFB255 still available?
MFB255 is currently cancelled.
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