PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100F50Resistor,fixed,wire Wound,induct

Ward Leonard Ct Llc · NSN 5905-00-858-0172 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-858-0172 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-858-0172. Primary manufacturer part number: 100F50.
Features
  • Resistor,fixed,wire Wound,induct — FSC 5905
  • Electrical Resistance: 50.000 OHMS
  • Terminal Type: TAB, SOLDER LUG
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Width: 0.312 INCHES NOMINAL IN
  • Ambient Temp at Full Rated Power: 40.0 CELSIUS DEGC
  • Terminal Length: 0.625 INCHES NOMINAL IN
  • Body Length: 6.500 INCHES NOMINAL IN
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 5905-00-858-0172, 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 Ward Leonard Ct Llc. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-858-0172
Primary Part Number100F50
Item NameResistor,fixed,wire Wound,induct
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusCANCELLED
Electrical Resistance50.000 OHMS
Terminal TypeTAB, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Terminal Width0.312 INCHES NOMINAL IN
Ambient Temp at Full Rated Power40.0 CELSIUS DEGC
Terminal Length0.625 INCHES NOMINAL IN
Body Length6.500 INCHES NOMINAL IN
Power Dissipation Rating in Watts100.000 FREE AIR
Ambient Temp in Deg Celsius at Zero Percent Rated Power340.0
Inclosure TypeENCAPSULATED
Body Diameter1.125 INCHES NOMINAL IN
Style DesignatorRADIAL TERMINAL EACH END
Resistance Tolerance in Percent-5.000 TO 5.000
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5331-00-197-9582 INTERCHANGEABLE
O-Ring
5950-00-884-2591 INTERCHANGEABLE
Coil,radio Frequency
5305-01-499-1709278-56 INTERCHANGEABLE
Screw,tapping
Crane Carrier Company, Llc
5120-01-504-9709 INTERCHANGEABLE
Wrench,open End
3110-01-505-3424 INTERCHANGEABLE
Cup,tapered Roller Bearing
Cross-Reference Index
Part NumberManufacturer
100F50 PRIMARY Ward Leonard Ct Llc (USA)
K45293-50 Ward Leonard Ct Llc (USA)
27-856 Raytheon Company Div Corp (USA)
A745-60-54 Ward Leonard Ct Llc (USA)
Related Parts
5331-00-197-9582INTERCHANGEABLE
O-RING
5950-00-884-2591INTERCHANGEABLE
COIL,RADIO FREQUENCY
5305-01-499-1709INTERCHANGEABLE
SCREW,TAPPING
278-56
5120-01-504-9709INTERCHANGEABLE
WRENCH,OPEN END
3110-01-505-3424INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING

Frequently Asked Questions

What is NSN 5905-00-858-0172?

NSN 5905-00-858-0172 is a Resistor,fixed,wire Wound,induct, manufactured by Ward Leonard Ct Llc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-858-0172?

NSN 5905-00-858-0172 has 4 cross-referenced part numbers: 100F50 (Ward Leonard Ct Llc), K45293-50 (Ward Leonard Ct Llc), 27-856 (Raytheon Company Div Corp), A745-60-54 (Ward Leonard Ct Llc).

What NSN replaces 5905-00-858-0172?

There are 5 known substitutes for 5905-00-858-0172: 5331-00-197-9582, 5950-00-884-2591, 5305-01-499-1709 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100F50?

Key specifications for 100F50: Special Features: TWO MOUNTING BRACKETS PROVIDED; Electrical Resistance: 50.000 OHMS; Terminal Type: TAB, SOLDER LUG; Reliability Indicator: NOT ESTABLISHED. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-858-0172 still in active supply?

NSN 5905-00-858-0172 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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