PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49W9Resistor,variable,wire Wound,non

Clarostat Sensors and Controls · NSN 5905-00-204-6972 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-204-6972 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-204-6972. Primary manufacturer part number: 49W9.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Section Quantity: 1
  • Screw Thread Diameter: 0.250 INCHES NOMINAL IN
  • Body Width: 2.000 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Electrical Resistance Per Section: 500.0 OHMS SINGLE SECTION
  • Mounting Method: LOCKING BUSHING
  • Power Dissipation Rating Per Section in Watts: 1.5 FREE AIR SINGLE SECTION
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-204-6972, 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 Clarostat Sensors and Controls. Government technical data includes 21 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-204-6972
Primary Part Number49W9
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerClarostat Sensors and Controls
StatusACTIVE
Section Quantity1
Screw Thread Diameter0.250 INCHES NOMINAL IN
Body Width2.000 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Electrical Resistance Per Section500.0 OHMS SINGLE SECTION
Mounting MethodLOCKING BUSHING
Power Dissipation Rating Per Section in Watts1.5 FREE AIR SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Terminal Type and Quantity3 TAB, SOLDER LUG
Body Length1.000 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Body StyleRECTANGULAR
Nonturn Device Radius0.234 INCHES NOMINAL IN
Actuator TypeSINGLE SHAFT
Nonturn Device LocationAT 3 OCLOCK AND AT 9 OCLOCK
Shaft Diameter0.125 INCHES NOMINAL IN
Shaft Length0.500 INCHES NOMINAL IN
Body Height2.125 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Screw Thread Quantity Per Inch32.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-204-6971 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-549-2771 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-549-3458 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Cross-Reference Index
Part NumberManufacturer
49W9 Clarostat Sensors and Controls (USA)
Related Parts
5905-00-204-6971INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-549-2771INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-549-3458INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON

Frequently Asked Questions

What is NSN 5905-00-204-6972?

NSN 5905-00-204-6972 is a Resistor,variable,wire Wound,non, manufactured by Clarostat Sensors and Controls, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-204-6972?

NSN 5905-00-204-6972 has 1 cross-referenced part number: 49W9 (Clarostat Sensors and Controls).

What NSN replaces 5905-00-204-6972?

There are 3 known substitutes for 5905-00-204-6972: 5905-00-204-6971, 5905-00-549-2771, 5905-00-549-3458. Verify interchangeability with system specifications before substitution.

What are the specifications of 49W9?

Key specifications for 49W9: Section Quantity: 1; Screw Thread Diameter: 0.250 INCHES NOMINAL IN; Body Width: 2.000 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED. 22 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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