PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-C-604038Resistor,variable,wire Wound,non

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5905-00-499-6955 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-499-6955 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-499-6955. Primary manufacturer part number: SM-C-604038.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Reliability Indicator: NOT ESTABLISHED
  • Actuator Type: SINGLE SHAFT
  • Terminal Length: 0.500 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.093 INCHES NOMINAL IN
  • Center to Center Distance Between Center Terminal and Outside Terminal: 0.700 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius: -50.0 TO 50.0 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 5905-00-499-6955, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5905-00-499-6955
Primary Part NumberSM-C-604038
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Actuator TypeSINGLE SHAFT
Terminal Length0.500 INCHES NOMINAL IN
Mounting Hole Diameter0.093 INCHES NOMINAL IN
Center to Center Distance Between Center Terminal and Outside Terminal0.700 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-50.0 TO 50.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts0.8 FREE AIR SINGLE SECTION
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
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Terminal Type and Quantity3 PIN
Terminal LocationLOWER ADJACENT SIDE SINGLE ROW LOCATION NOT OTHERWISE SPECIFIED
Shaft Length0.058 INCHES NOMINAL IN
Body Length1.250 INCHES NOMINAL IN
Center to Center Distance Between Terminals0.900 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Section Quantity1
Body Height0.315 INCHES NOMINAL IN
Shaft Diameter0.115 INCHES NOMINAL IN
Lateral Distance Between Mounting Hole Centers1.000 INCHES NOMINAL IN
Mounting Facility Quantity2
Electrical Resistance Per Section2.000 KILOHMS SINGLE SECTION
Body Width0.190 INCHES NOMINAL IN
Body StyleRECTANGULAR W/MOUNTING HOLES/SLOTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-056-0298SM-B-595856-1 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-143-293550-11-1 INTERCHANGEABLE
Bearing,roller,thrust
Trailmobile Inc Sub of the Pullman Co
5360-00-320-513350111 INTERCHANGEABLE
Spring,helical,compression
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
2805-00-374-9751 INTERCHANGEABLE
Valve,poppet,engine
5310-00-474-025116-701-776 INTERCHANGEABLE
Washer,flat
Fairbanks Morse, Llc
3120-00-517-8482A205-1 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
6250-00-548-033850111 INTERCHANGEABLE
Lampholder Assembly
Telephone Company of America Incorporated
5365-00-585-987150111 INTERCHANGEABLE
Spacer,ring
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
7310-00-878-389450111-208V INTERCHANGEABLE
Heating Element,electrical,nonim
Wells Mfg Co
5815-00-980-760150-111 INTERCHANGEABLE
Roller
Motorola Solutions Danmark A/s
Cross-Reference Index
Part NumberManufacturer
SMC604038 Lockheed Martin Corporation (USA)
SM-C-604038 Projects Unlimited Inc (USA)
50111 Freund Precision Inc (USA)
SM-C-604038 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
RT12C2P202M0DIFIED Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5950-00-056-0298INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-B-595856-1
3110-00-143-2935INTERCHANGEABLE
BEARING,ROLLER,THRUST
50-11-1
5360-00-320-5133INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50111
2805-00-374-9751INTERCHANGEABLE
VALVE,POPPET,ENGINE
5310-00-474-0251INTERCHANGEABLE
WASHER,FLAT
16-701-776
3120-00-517-8482INTERCHANGEABLE
BEARING,SLEEVE
A205-1
6250-00-548-0338INTERCHANGEABLE
LAMPHOLDER ASSEMBLY
50111
5365-00-585-9871INTERCHANGEABLE
SPACER,RING
50111
7310-00-878-3894INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50111-208V
5815-00-980-7601INTERCHANGEABLE
ROLLER
50-111
5310-01-206-5019INTERCHANGEABLE
WASHER,FLAT
50111
2920-01-248-4268INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
1109791

Frequently Asked Questions

What is NSN 5905-00-499-6955?

NSN 5905-00-499-6955 is a Resistor,variable,wire Wound,non, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-499-6955?

NSN 5905-00-499-6955 has 5 cross-referenced part numbers: SMC604038 (Lockheed Martin Corporation), SM-C-604038 (Projects Unlimited Inc), 50111 (Freund Precision Inc), SM-C-604038 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), RT12C2P202M0DIFIED (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5905-00-499-6955?

There are 12 known substitutes for 5905-00-499-6955: 5950-00-056-0298, 3110-00-143-2935, 5360-00-320-5133 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-C-604038?

Key specifications for SM-C-604038: Reliability Indicator: NOT ESTABLISHED; Overall Width: 0.190 INCHES NOMINAL IN; Actuator Type: SINGLE SHAFT; Terminal Length: 0.500 INCHES NOMINAL IN. 29 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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