PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

402-56Resistor,variable,wire Wound,pre

IV-Electronic Klaus Vespermann Kg · NSN 5905-00-872-5956 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-872-5956 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-872-5956. Primary manufacturer part number: 402-56.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Electrical Resistance Per Section: 10.0 KILOHMS SINGLE SECTION
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 85.0 SINGLE SECTION
  • Effective Electrical Rotation in Deg Angular Rotation: 350.0 NOMINAL
  • Undercut Width: 0.0730 INCHES MINIMUM IN
  • Mounting Method: CLAMP RING(S)
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 40.0 SINGLE SECTION
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-872-5956, 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 IV-Electronic Klaus Vespermann Kg. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-872-5956
Primary Part Number402-56
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerIV-Electronic Klaus Vespermann Kg
StatusACTIVE
Electrical Resistance Per Section10.0 KILOHMS SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power85.0 SINGLE SECTION
Effective Electrical Rotation in Deg Angular Rotation350.0 NOMINAL
Undercut Width0.0730 INCHES MINIMUM IN
Mounting MethodCLAMP RING(S)
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Function Characteristic Per SectionSINGLE SECTION LINEAR
Power Dissipation Rating Per Section in Watts5.0 FREE AIR SINGLE SECTION
Function Conformity Per SectionSINGLE SECTION ABSOLUTE LINEARITY
Terminal Type and Quantity3 TURRET
Resistance Tolerance Per Section in Percent-3.0 TO 3.0 SINGLE SECTION
Pilot Diameter Runout0.0015 INCHES IN
Pilot Diameter2.8740 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
Mounting Lip Diameter2.9950 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
Rotary Actuator Travel in Angular Deg356.0 NOMINAL
Body StyleCYLINDRICAL SERVO MOUNTED
Shaft Runout0.002 INCHES IN
Pilot Length0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
Mounting Lip Depth0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
Maximum Running Torque3.00 INCH-OUNCES IN
Undercut Diameter2.874 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN
Shaft Radial Play0.002 INCHES IN
Maximum Starting Torque3.75 INCH-OUNCES IN
Shaft Diameter0.250 INCHES NOMINAL IN
Function Conformity Tolerance Per Section-0.25 TO 0.25 SINGLE SECTION
Actuator TypeSINGLE SHAFT
Overall Diameter3.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-023-665465A7A66-2 INTERCHANGEABLE
Transistor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1730-00-238-837969J5037-1 INTERCHANGEABLE
Frame,auxiliary
Air Armament Center/ En
5961-00-929-2499 INTERCHANGEABLE
Transistor
5307-01-146-31894020056 INTERCHANGEABLE
Stud,plain
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6625-01-188-71295M1956-001 INTERCHANGEABLE
Divider,power,radio Frequency
The Boeing Company Div Defense
5310-01-551-45033001189 INTERCHANGEABLE
Washer,lock
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
6130-01-651-2255GB-180-101 INTERCHANGEABLE
Control,power Supply
Hydro Electronic Devices Inc
Cross-Reference Index
Part NumberManufacturer
402-56 IV-Electronic Klaus Vespermann Kg (DEU)
621-457-9003 Honeywell International Inc. Div Aerospace - Torrance (USA)
1800-714-1 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
402-56 Vishay Sprague Inc (USA)
402-0056 IV-Electronic Klaus Vespermann Kg (DEU)
402-0056 Vishay Sprague Inc (USA)
1800-714 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
Related Parts
5961-00-023-6654INTERCHANGEABLE
TRANSISTOR
65A7A66-2
1730-00-238-8379INTERCHANGEABLE
FRAME,AUXILIARY
69J5037-1
5961-00-929-2499INTERCHANGEABLE
TRANSISTOR
5307-01-146-3189INTERCHANGEABLE
STUD,PLAIN
4020056
6625-01-188-7129INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
5M1956-001
5310-01-551-4503INTERCHANGEABLE
WASHER,LOCK
3001189
6130-01-651-2255INTERCHANGEABLE
CONTROL,POWER SUPPLY
GB-180-101

Frequently Asked Questions

What is NSN 5905-00-872-5956?

NSN 5905-00-872-5956 is a Resistor,variable,wire Wound,pre, manufactured by IV-Electronic Klaus Vespermann Kg, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-872-5956?

NSN 5905-00-872-5956 has 7 cross-referenced part numbers: 402-56 (IV-Electronic Klaus Vespermann Kg), 621-457-9003 (Honeywell International Inc. Div Aerospace - Torrance), 1800-714-1 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 402-56 (Vishay Sprague Inc), 402-0056 (IV-Electronic Klaus Vespermann Kg) and 2 more.

What NSN replaces 5905-00-872-5956?

There are 7 known substitutes for 5905-00-872-5956: 5961-00-023-6654, 1730-00-238-8379, 5961-00-929-2499 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 402-56?

Key specifications for 402-56: Electrical Resistance Per Section: 10.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 85.0 SINGLE SECTION; Effective Electrical Rotation in Deg Angular Rotation: 350.0 NOMINAL; Undercut Width: 0.0730 INCHES MINIMUM IN. 30 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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