PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

313-105-502JResistor,variable,wire Wound,non

Lockheed Martin Corp · NSN 5905-00-051-4920 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-051-4920 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-051-4920. Primary manufacturer part number: 313-105-502J.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Reliability Indicator: NOT ESTABLISHED
  • Lateral Distance Between Mounting Hole Centers: 0.520 INCHES NOMINAL IN
  • Body Style: RECTANGULAR W/MOUNTING HOLES
  • Body Height: 0.500 INCHES NOMINAL IN
  • Body Width: 0.320 INCHES NOMINAL IN
  • Effective Electrical Rotation in Deg Angular Rotation: 9000.0 NOMINAL
  • Electrical Resistance Per Section: 5.0 KILOHMS 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 5905-00-051-4920, 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 Lockheed Martin Corp. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-051-4920
Primary Part Number313-105-502J
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Lateral Distance Between Mounting Hole Centers0.520 INCHES NOMINAL IN
Body StyleRECTANGULAR W/MOUNTING HOLES
Body Height0.500 INCHES NOMINAL IN
Body Width0.320 INCHES NOMINAL IN
Effective Electrical Rotation in Deg Angular Rotation9000.0 NOMINAL
Electrical Resistance Per Section5.0 KILOHMS SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Mounting MethodUNTHREADED HOLE(S)
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 WIRE LEAD
Power Dissipation Rating Per Section in Watts1.5 FREE AIR SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Shaft Length0.875 INCHES NOMINAL IN
Actuator TypeSINGLE SHAFT
Shaft Diameter0.060 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Section Quantity1
Mounting Facility Quantity2
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Body Length0.500 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg9000.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-989-25741064794G002 INTERCHANGEABLE
Resistor,variable,wire Wound,non
L3harris Technologies, Inc.
6515-01-649-0242 INTERCHANGEABLE
Airway,pharyngeal
Cross-Reference Index
Part NumberManufacturer
313-105-502J Lockheed Martin Corp (USA)
313-105 Lockheed Martin Corp (USA)
313-105-502J Vamistor/weston Div of Vamistor Corp of Tennessee Inc (USA)
Related Parts
5905-00-989-2574INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
1064794G002
6515-01-649-0242INTERCHANGEABLE
AIRWAY,PHARYNGEAL

Frequently Asked Questions

What is NSN 5905-00-051-4920?

NSN 5905-00-051-4920 is a Resistor,variable,wire Wound,non, manufactured by Lockheed Martin Corp, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-051-4920?

NSN 5905-00-051-4920 has 3 cross-referenced part numbers: 313-105-502J (Lockheed Martin Corp), 313-105 (Lockheed Martin Corp), 313-105-502J (Vamistor/weston Div of Vamistor Corp of Tennessee Inc).

What NSN replaces 5905-00-051-4920?

There are 2 known substitutes for 5905-00-051-4920: 5905-00-989-2574, 6515-01-649-0242. Verify interchangeability with system specifications before substitution.

What are the specifications of 313-105-502J?

Key specifications for 313-105-502J: Reliability Indicator: NOT ESTABLISHED; Lateral Distance Between Mounting Hole Centers: 0.520 INCHES NOMINAL IN; Body Style: RECTANGULAR W/MOUNTING HOLES; Body Height: 0.500 INCHES NOMINAL IN. 24 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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