PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3 1-2L4-125Resistor,fixed,wire Wound,induct

Memcor Inc · NSN 5905-00-642-5728 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-642-5728 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-642-5728. Primary manufacturer part number: 3 1-2L4-125.
Features
  • Resistor,fixed,wire Wound,induct — FSC 5905
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 340.0
  • Style Designator: RADIAL TERMINAL EACH END
  • Terminal Width: 0.250 INCHES NOMINAL IN
  • Terminal Length: 0.625 INCHES NOMINAL IN
  • Ambient Temp at Full Rated Power: 40.0 CELSIUS DEGC
  • Power Dissipation Rating in Watts: 40.000 FREE AIR
  • 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,induct, cataloged under National Stock Number 5905-00-642-5728, 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 Memcor Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-642-5728
Primary Part Number3 1-2L4-125
Item NameResistor,fixed,wire Wound,induct
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMemcor Inc
StatusACTIVE
Ambient Temp in Deg Celsius at Zero Percent Rated Power340.0
Style DesignatorRADIAL TERMINAL EACH END
Terminal Width0.250 INCHES NOMINAL IN
Terminal Length0.625 INCHES NOMINAL IN
Ambient Temp at Full Rated Power40.0 CELSIUS DEGC
Power Dissipation Rating in Watts40.000 FREE AIR
Terminal TypeTAB, SOLDER LUG
Inclosure TypeENCAPSULATED
Body Length3.500 INCHES NOMINAL IN
Resistance Tolerance in Percent-5.000 TO 5.000
Electrical Resistance125.000 OHMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-259-31049202 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
1660-00-650-17119208 INTERCHANGEABLE
Oxygen System Porta
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-962-8913920-8 INTERCHANGEABLE
Resistor
Vishay Sprague Inc
4110-01-028-7017439119A INTERCHANGEABLE
Freezer,prefabricated
Gloekler Refrigerator Co
4730-01-111-10039208H B INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
5945-01-116-6663935270-1 INTERCHANGEABLE
Relay,resonant Reed
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5365-01-119-73079208 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6685-01-120-65539208 INTERCHANGEABLE
Cooling Module,mirr
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5950-01-207-8398L11-0004-047 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5120-01-399-9124J9208 INTERCHANGEABLE
Nutdriver
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
3 1-2L4-125 PRIMARY Memcor Inc (USA)
9208 Mellowes Co Div of Charter Mfg Co Inc (USA)
3 1-2L4-125 Mellowes Co Div of Charter Mfg Co Inc (USA)
9208 PRIMARY Memcor Inc (USA)
Related Parts
5935-00-259-3104INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9202
1660-00-650-1711INTERCHANGEABLE
OXYGEN SYSTEM PORTA
9208
5905-00-962-8913INTERCHANGEABLE
RESISTOR
920-8
4110-01-028-7017INTERCHANGEABLE
FREEZER,PREFABRICATED
439119A
4730-01-111-1003INTERCHANGEABLE
CLAMP,HOSE
9208H B
5945-01-116-6663INTERCHANGEABLE
RELAY,RESONANT REED
935270-1
5365-01-119-7307INTERCHANGEABLE
SPACER,SLEEVE
9208
6685-01-120-6553INTERCHANGEABLE
COOLING MODULE,MIRR
9208
5950-01-207-8398INTERCHANGEABLE
COIL,RADIO FREQUENCY
L11-0004-047
5120-01-399-9124INTERCHANGEABLE
NUTDRIVER
J9208
5998-01-498-2627INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5602011
8105-01-691-2794INTERCHANGEABLE
BAG,TOOLS AND SPARE PARTS
9208

Frequently Asked Questions

What is NSN 5905-00-642-5728?

NSN 5905-00-642-5728 is a Resistor,fixed,wire Wound,induct, manufactured by Memcor Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-642-5728?

NSN 5905-00-642-5728 has 4 cross-referenced part numbers: 3 1-2L4-125 (Memcor Inc), 9208 (Mellowes Co Div of Charter Mfg Co Inc), 3 1-2L4-125 (Mellowes Co Div of Charter Mfg Co Inc), 9208 (Memcor Inc).

What NSN replaces 5905-00-642-5728?

There are 12 known substitutes for 5905-00-642-5728: 5935-00-259-3104, 1660-00-650-1711, 5905-00-962-8913 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3 1-2L4-125?

Key specifications for 3 1-2L4-125: Ambient Temp in Deg Celsius at Zero Percent Rated Power: 340.0; Style Designator: RADIAL TERMINAL EACH END; Terminal Width: 0.250 INCHES NOMINAL IN; Terminal Length: 0.625 INCHES NOMINAL IN. 11 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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