PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4638Resistor,variable,wire Wound,non

Sensor Systems, L.l.c. Dba Sensor Systems Llc · NSN 5905-00-156-7085 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-156-7085 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-156-7085. Primary manufacturer part number: 4638.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Electrical Resistance Per Section: 2.0 KILOHMS 2ND SECTION
  • Shaft Style: ROUND, SLOTTED
  • Mounting Lip Depth: 0.0620 INCHES NOMINAL IN
  • Bearing Type: BEARING SHAFT
  • Electrical Resistance Per Section: 20.0 KILOHMS 1ST SECTION
  • Shaft Radial Play: 0.002 INCHES IN
  • Shaft End Play: 0.005 INCHES IN
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 5905-00-156-7085, 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 Sensor Systems, L.l.c. Dba Sensor Systems Llc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-156-7085
Primary Part Number4638
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerSensor Systems, L.l.c. Dba Sensor Systems Llc
StatusACTIVE
Electrical Resistance Per Section2.0 KILOHMS 2ND SECTION
Shaft StyleROUND, SLOTTED
Mounting Lip Depth0.0620 INCHES NOMINAL IN
Bearing TypeBEARING SHAFT
Electrical Resistance Per Section20.0 KILOHMS 1ST SECTION
Shaft Radial Play0.002 INCHES IN
Shaft End Play0.005 INCHES IN
Power Dissipation Rating Per Section in Watts0.1 FREE AIR ALL SECTIONS
Actuator TypeSINGLE SHAFT
Mounting MethodCLAMP RING(S)
Resistance Tolerance Per Section in Percent-1.0 TO 1.0 1ST SECTION
Undercut Width0.0570 INCHES MINIMUM IN
Resistance Tolerance Per Section in Percent-2.0 TO 2.0 2ND SECTION
Mounting Lip Diameter0.8750 INCHES NOMINAL IN
Pilot Length0.0620 INCHES NOMINAL IN
Body StyleCYLINDRICAL SERVO MOUNTED
Pilot Diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Overall Diameter0.875 INCHES NOMINAL IN
Shaft Diameter0.124 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM IN
Section Quantity2
Body Length3.031 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Shaft Length0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Body Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3030-00-117-92854638 INTERCHANGEABLE
Belts,v,matched Set
Harbormaster Marine, Inc
5136-00-403-555126822 INTERCHANGEABLE
Die Head and Die,hand
Curtis-Toledo, Inc.
5330-00-442-02084638 INTERCHANGEABLE
Gasket
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3120-00-469-12913435A12PC57 INTERCHANGEABLE
Bearing,sleeve
Bae Systems Land & Armaments L.p.
4030-00-502-50195025019 INTERCHANGEABLE
Hook,chain,s
Army, United States Department of the Dba Rock Island Arsenal Jmtc
6140-01-180-75884638 INTERCHANGEABLE
Roller,battery Box
Elliott Machine Works Inc
5120-01-215-93834638 INTERCHANGEABLE
Retrieving Tool,cable
Huntington Partners, Inc. Dba Continental Tool & Mfg.
5120-01-335-8164S381 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5950-01-359-95314638 INTERCHANGEABLE
Reactor
Amecon Inc
4530-01-396-247946-38 INTERCHANGEABLE
Lens,quartz Scanner
Fireye Inc
Cross-Reference Index
Part NumberManufacturer
4638 PRIMARY Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA)
502-5019 PRIMARY Vishay Sprague Inc (USA)
836553 Teledyne Controls, Llc Dba Teledyne Controls (USA)
Related Parts
3030-00-117-9285INTERCHANGEABLE
BELTS,V,MATCHED SET
4638
5136-00-403-5551INTERCHANGEABLE
DIE HEAD AND DIE,HAND
26822
5330-00-442-0208INTERCHANGEABLE
GASKET
4638
3120-00-469-1291INTERCHANGEABLE
BEARING,SLEEVE
3435A12PC57
4030-00-502-5019INTERCHANGEABLE
HOOK,CHAIN,S
5025019
6140-01-180-7588INTERCHANGEABLE
ROLLER,BATTERY BOX
4638
5120-01-215-9383INTERCHANGEABLE
RETRIEVING TOOL,CABLE
4638
5120-01-335-8164INTERCHANGEABLE
SOCKET,SOCKET WRENCH
S381
5950-01-359-9531INTERCHANGEABLE
REACTOR
4638
4530-01-396-2479INTERCHANGEABLE
LENS,QUARTZ SCANNER
46-38

Frequently Asked Questions

What is NSN 5905-00-156-7085?

NSN 5905-00-156-7085 is a Resistor,variable,wire Wound,non, manufactured by Sensor Systems, L.l.c. Dba Sensor Systems Llc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-156-7085?

NSN 5905-00-156-7085 has 3 cross-referenced part numbers: 4638 (Sensor Systems, L.l.c. Dba Sensor Systems Llc), 502-5019 (Vishay Sprague Inc), 836553 (Teledyne Controls, Llc Dba Teledyne Controls).

What NSN replaces 5905-00-156-7085?

There are 10 known substitutes for 5905-00-156-7085: 3030-00-117-9285, 5136-00-403-5551, 5330-00-442-0208 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4638?

Key specifications for 4638: Electrical Resistance Per Section: 2.0 KILOHMS 2ND SECTION; Shaft Style: ROUND, SLOTTED; Mounting Lip Depth: 0.0620 INCHES NOMINAL IN; Overall Length: 3.522 INCHES MAXIMUM IN. 25 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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