PartsTable
Technical Data Sheet
WM4 ✓ 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 color: WHITE SINGLE SIDE INSCRIPTION BACKGROUNDUNABLE TO DECODE, width: 0.250 INCHES NOMINAL IN, length: 1.500 INCHES NOMINAL IN, material: STEEL OVERALL, thickness: 0.8 MILLIMETERS NOMINAL MM, body_length: 1.000 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 6625-00-886-2981, 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 WM4
NSN: 6625-00-886-2981
FSC: 6625
CAGE: 77260 — PIERCE CO INC THE SUB OF AVIS INDUSTRIAL CORP (USA)
SPECIFICATIONS
colorWHITE SINGLE SIDE INSCRIPTION BACKGROUNDUNABLE TO DECODE
width0.250 INCHES NOMINAL IN
length1.500 INCHES NOMINAL IN
materialSTEEL OVERALL
thickness0.8 MILLIMETERS NOMINAL MM
body_length1.000 INCHES NOMINAL IN
inscription4
power_sourceEXTERNAL
body_diameter0.562 INCHES NOMINAL IN
hole_diameter4.3 MILLIMETERS NOMINAL MM
movement_typeMOVING MAGNET
pointer_colorBLACK SINGLE INDICATOR SINGLE RANGE
NSN6625-00-886-2981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND TITLE COMPONENT PN WM4 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
MOUNTING BOLT CIRCLE DIAMETER: 3.160 INCHES NOMINAL IN
DIAL SCALE MARKING COLOR: BLACK SINGLE INDICATOR SINGLE RANGE
ENVIRONMENTAL PROTECTION: SHOCK RESISTANT AND VIBRATION RESISTANT
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 2.760 INCHES MAXIMUM IN
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 THREADED STUD
FEATURES PROVIDED: ZERO ADJUSTER
POINTER COLOR: BLACK SINGLE INDICATOR SINGLE RANGE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING BOLT CIRCLE DIAMETER3.160 INCHES NOMINAL IN
DIAL SCALE MARKING COLORBLACK SINGLE INDICATOR SINGLE RANGE
OVERALL LENGTH2.530 INCHES MAXIMUM IN
ENVIRONMENTAL PROTECTIONSHOCK RESISTANT AND VIBRATION RESISTANT
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.760 INCHES MAXIMUM IN
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
FEATURES PROVIDEDZERO ADJUSTER
POINTER COLORBLACK SINGLE INDICATOR SINGLE RANGE
MEASUREMENT RANGE+0.0 TO 20.0 KILOWATTS SINGLE INDICATOR SINGLE RANGE
COLORUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
2531Upgraded Successor
successor cross-reference
successor
25RUpgraded Successor
successor cross-reference
successor
25SRUpgraded Successor
successor cross-reference
successor
321HRUpgraded Successor
successor cross-reference
successor
MMI-9828Upgraded Successor
successor cross-reference
successor
MR36W001DCKVRUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WM4?
WM4 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace WM4?
There are 22 known substitutes for WM4: 2531, 25R, 25SR and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WM4?
WM4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-886-2981. This indicates validated use in U.S. government and defense supply chains.
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