PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-3100Resistor,variable,nonwire Wound,

L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications · NSN 5905-00-903-0772 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-903-0772 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-903-0772. Primary manufacturer part number: R-3100.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Effective Electrical Rotation in Deg Angular Rotation: 7200.0 NOMINAL
  • Shaft Length: 0.030 INCHES NOMINAL IN
  • Body Width: 0.490 INCHES NOMINAL IN
  • Shaft Style: ROUND, SLOTTED
  • Mounting Hole Diameter: 0.077 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 PIN
  • Body Height: 0.500 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-903-0772, 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 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5905-00-903-0772
Primary Part NumberR-3100
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
StatusACTIVE
Effective Electrical Rotation in Deg Angular Rotation7200.0 NOMINAL
Shaft Length0.030 INCHES NOMINAL IN
Body Width0.490 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Mounting Hole Diameter0.077 INCHES NOMINAL IN
Terminal Type and Quantity3 PIN
Body Height0.500 INCHES NOMINAL IN
Body Length0.500 INCHES NOMINAL IN
Center to Center Distance Between Center Terminal and Outside Terminal0.100 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power85.0 SINGLE SECTION
Mounting MethodUNTHREADED HOLE(S)
Electrical Resistance Per Section500.0 OHMS SINGLE SECTION
Terminal LocationREAR END
Features ProvidedNONMETALLIC SHAFT
Rotary Actuator Travel in Angular Deg7200.0 NOMINAL
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 SINGLE SECTION
Lateral Distance Between Mounting Hole Centers0.520 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Section Quantity1
Reliability IndicatorNOT ESTABLISHED
Actuator TypeSINGLE SHAFT
Shaft Diameter0.075 INCHES NOMINAL IN
Terminal Length0.500 INCHES MINIMUM IN
Mounting Facility Quantity2
Body StyleRECTANGULAR W/MOUNTING HOLES
Power Dissipation Rating Per Section in Watts1.0 FREE AIR SINGLE SECTION
Actuator Travel Control FeatureCLUTCH
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-50.0 TO 50.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-419-3987SMB605727 INTERCHANGEABLE
Switch,push
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5331-01-314-1857 INTERCHANGEABLE
O-Ring
3010-01-406-2034 INTERCHANGEABLE
Drive Unit,angle
Cross-Reference Index
Part NumberManufacturer
R-3100 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
W-1-501 Bourns Inc (USA)
Related Parts
5930-00-419-3987INTERCHANGEABLE
SWITCH,PUSH
SMB605727
5331-01-314-1857INTERCHANGEABLE
O-RING
3010-01-406-2034INTERCHANGEABLE
DRIVE UNIT,ANGLE

Frequently Asked Questions

What is NSN 5905-00-903-0772?

NSN 5905-00-903-0772 is a Resistor,variable,nonwire Wound,, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-903-0772?

NSN 5905-00-903-0772 has 2 cross-referenced part numbers: R-3100 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), W-1-501 (Bourns Inc).

What NSN replaces 5905-00-903-0772?

There are 3 known substitutes for 5905-00-903-0772: 5930-00-419-3987, 5331-01-314-1857, 3010-01-406-2034. Verify interchangeability with system specifications before substitution.

What are the specifications of R-3100?

Key specifications for R-3100: Effective Electrical Rotation in Deg Angular Rotation: 7200.0 NOMINAL; Shaft Length: 0.030 INCHES NOMINAL IN; Body Width: 0.490 INCHES NOMINAL IN; Shaft Style: ROUND, SLOTTED. 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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