PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WM4Resistor,fixed,wire Wound

Mepco/electra Inc · NSN 5905-00-549-7037 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-549-7037 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-549-7037. Primary manufacturer part number: WM4.
Features
  • Resistor,fixed,wire Wound — FSC 5905
  • Power Dissipation Rating in Watts: 1.000 FREE AIR
  • Terminal Length: 0.375 INCHES NOMINAL IN
  • Body Length: 1.000 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC
  • Style Designator: RADIAL TERMINAL EACH END
  • Terminal Type: TAB, SOLDER LUG
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-00-549-7037, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Mepco/electra Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-549-7037
Primary Part NumberWM4
Item NameResistor,fixed,wire Wound
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMepco/electra Inc
StatusACTIVE
Power Dissipation Rating in Watts1.000 FREE AIR
Terminal Length0.375 INCHES NOMINAL IN
Body Length1.000 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Style DesignatorRADIAL TERMINAL EACH END
Terminal TypeTAB, SOLDER LUG
Electrical Resistance850.000 OHMS
Resistance Tolerance in Percent-1.000 TO 1.000
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-059-9836 INTERCHANGEABLE
Resistor,fixed,wire Wound
6625-00-886-2981 INTERCHANGEABLE
Wattmeter
7690-00-902-8147B-500WM-4 INTERCHANGEABLE
Marker,identification
Brady United States
5120-01-045-4889 INTERCHANGEABLE
Key,socket Head Screw
5310-01-484-9183085295 INTERCHANGEABLE
Washer,flat
Sauer Compressors Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
WM4 Mepco/electra Inc (USA)
Related Parts
5905-00-059-9836INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
6625-00-886-2981INTERCHANGEABLE
WATTMETER
7690-00-902-8147INTERCHANGEABLE
MARKER,IDENTIFICATION
B-500WM-4
5120-01-045-4889INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5310-01-484-9183INTERCHANGEABLE
WASHER,FLAT
085295

Frequently Asked Questions

What is NSN 5905-00-549-7037?

NSN 5905-00-549-7037 is a Resistor,fixed,wire Wound, manufactured by Mepco/electra Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-549-7037?

NSN 5905-00-549-7037 has 1 cross-referenced part number: WM4 (Mepco/electra Inc).

What NSN replaces 5905-00-549-7037?

There are 5 known substitutes for 5905-00-549-7037: 5905-00-059-9836, 6625-00-886-2981, 7690-00-902-8147 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WM4?

Key specifications for WM4: Power Dissipation Rating in Watts: 1.000 FREE AIR; Terminal Length: 0.375 INCHES NOMINAL IN; Body Length: 1.000 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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