PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

171-50Resistor,variable,nonwire Wound,

Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div · NSN 5905-01-019-1218 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-019-1218 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-019-1218. Primary manufacturer part number: 171-50.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION
  • Body Length: 0.180 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 PIN
  • Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN
  • Center to Center Distance Between Terminal Rows: 0.100 INCHES NOMINAL IN
  • Center to Center Distance Between Center Terminal and Outside Terminal: 0.100 INCHES NOMINAL IN
  • Terminal Location: REAR END
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-019-1218, 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 Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div. Government technical data includes 20 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-01-019-1218
Primary Part Number171-50
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerTrw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div
StatusACTIVE
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Body Length0.180 INCHES NOMINAL IN
Terminal Type and Quantity3 PIN
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Center to Center Distance Between Terminal Rows0.100 INCHES NOMINAL IN
Center to Center Distance Between Center Terminal and Outside Terminal0.100 INCHES NOMINAL IN
Terminal LocationREAR END
Electrical Resistance Per Section50.0 OHMS SINGLE SECTION
Mounting MethodTERMINAL
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power150.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power85.0 SINGLE SECTION
Terminal Length0.187 INCHES NOMINAL IN
Power Dissipation Rating Per Section in Watts0.5 FREE AIR SINGLE SECTION
Overall Diameter0.250 INCHES NOMINAL IN
Actuator TypeFLUSH DRIVE WITH SLOT-HOLE
Body StyleCYLINDRICAL
Section Quantity1
Reliability IndicatorNOT ESTABLISHED
Body Diameter0.250 INCHES NOMINAL IN
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-100.0 TO 100.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6150-00-045-255515172 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5975-00-079-41651529 INTERCHANGEABLE
Entrance Cap,electrical
Abb Installation Products Inc
6145-01-011-3231171-50 INTERCHANGEABLE
Cable,special Purpose,electrical
Thomas and Betts Corp Electronics Group
6685-01-011-9086146989A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5950-01-094-5139 INTERCHANGEABLE
Transformer,power
5330-01-309-8465 INTERCHANGEABLE
Seal,plain
3460-01-351-454917150 INTERCHANGEABLE
Wiper,machine Cleaning
Monarch Machine Tool Co the
3040-01-400-605817150 INTERCHANGEABLE
Connecting Link,rigid
Coffin Turbo Pump Inc
4730-01-538-105617150 INTERCHANGEABLE
Fuel Tank,cock Assembly
Eastern Tools & Equipment Inc
5120-01-567-618017-150 INTERCHANGEABLE
Extractor,lamp Cap
Applied Avionics, Llc Dba Applied Avionics, Inc
Cross-Reference Index
Part NumberManufacturer
171-50 Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div (USA)
Related Parts
6150-00-045-2555INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
15172
5975-00-079-4165INTERCHANGEABLE
ENTRANCE CAP,ELECTRICAL
1529
6145-01-011-3231INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
171-50
6685-01-011-9086INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
146989A
5950-01-094-5139INTERCHANGEABLE
TRANSFORMER,POWER
5330-01-309-8465INTERCHANGEABLE
SEAL,PLAIN
3460-01-351-4549INTERCHANGEABLE
WIPER,MACHINE CLEANING
17150
3040-01-400-6058INTERCHANGEABLE
CONNECTING LINK,RIGID
17150
4730-01-538-1056INTERCHANGEABLE
FUEL TANK,COCK ASSEMBLY
17150
5120-01-567-6180INTERCHANGEABLE
EXTRACTOR,LAMP CAP
17-150
6515-01-590-9019INTERCHANGEABLE
BONE PLATE
247.347

Frequently Asked Questions

What is NSN 5905-01-019-1218?

NSN 5905-01-019-1218 is a Resistor,variable,nonwire Wound,, manufactured by Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-01-019-1218?

NSN 5905-01-019-1218 has 1 cross-referenced part number: 171-50 (Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div).

What NSN replaces 5905-01-019-1218?

There are 11 known substitutes for 5905-01-019-1218: 6150-00-045-2555, 5975-00-079-4165, 6145-01-011-3231 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 171-50?

Key specifications for 171-50: Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION; Body Length: 0.180 INCHES NOMINAL IN; Terminal Type and Quantity: 3 PIN; Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN. 21 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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