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Technical Data Sheet
R2558 ✓ 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_width: 0.500 INCHES MAXIMUM IN, plate_type: NEGATIVE AND POSITIVE, body_height: 0.470 INCHES MAXIMUM IN, body_length: 0.450 INCHES MAXIMUM IN, cubic_measure: 0.361 CUBIC INCHES, overall_width: 2.500 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 5905-00-105-9625, 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 R2558
NSN: 5905-00-105-9625
FSC: 5905
CAGE: K0405 — WESTON AEROSPACE LTD DIV WESTON AEROSPACE LTD (GBR)
SPECIFICATIONS
body_width0.500 INCHES MAXIMUM IN
plate_typeNEGATIVE AND POSITIVE
body_height0.470 INCHES MAXIMUM IN
body_length0.450 INCHES MAXIMUM IN
cell_quantity5
cubic_measure0.361 CUBIC INCHES
overall_width2.500 INCHES NOMINAL IN
terminal_typeCONNECTOR, PLUG
inclosure_typeHERMETICALLY SEALED
overall_length3.000 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
terminal_length0.694 INCHES MAXIMUM IN
NSN5905-00-105-9625
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND TITLE COMPONENT PN R2558 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
POWER DISSIPATION RATING IN WATTS: 0.500 FREE AIR
INCLOSURE TYPE: ENCAPSULATED
STYLE DESIGNATOR: TERMINALS EACH END
RELIABILITY INDICATOR: NOT ESTABLISHED
MOUNTING HOLE SIZE: 0.260 INCHES NOMINAL IN
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 125.0
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS: -55.0 TO 125.0
TERMINAL LENGTH: 0.694 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
POWER DISSIPATION RATING IN WATTS0.500 FREE AIR
INCLOSURE TYPEENCAPSULATED
STYLE DESIGNATORTERMINALS EACH END
RELIABILITY INDICATORNOT ESTABLISHED
MOUNTING HOLE SIZE0.260 INCHES NOMINAL IN
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER125.0
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS-55.0 TO 125.0
TERMINAL LENGTH0.694 INCHES MAXIMUM IN
BODY HEIGHT0.470 INCHES MAXIMUM IN
TERMINAL TYPETAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
R2558Interchangeable
interchangeable cross-reference
interchangeable
SM-B-619160Interchangeable
interchangeable cross-reference
interchangeable
PL19D4135Interchangeable
interchangeable cross-reference
interchangeable
M522G4Interchangeable
interchangeable cross-reference
interchangeable
R2556BInterchangeable
interchangeable cross-reference
interchangeable
R.2.558Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R2558?
R2558 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace R2558?
There are 7 known substitutes for R2558: R2558, SM-B-619160, PL19D4135 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R2558?
R2558 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-105-9625. This indicates validated use in U.S. government and defense supply chains.
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