PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66078W7Resistor,variable,wire Wound,non

Eaton Corp Opns & Technical Center · NSN 5905-00-393-2496 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-393-2496 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-393-2496. Primary manufacturer part number: 66078W7.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Mounting Facility Quantity: 3
  • Mounting Hole Diameter: 0.406 INCHES NOMINAL IN
  • Angle Between Centerlines of Mounting Holes in Deg: 120.000
  • Overall Diameter: 10.500 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • 11 verified cross-references
  • Primary manufacturer: Eaton Corp Opns & Technical Center
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 5905-00-393-2496, 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 Eaton Corp Opns & Technical Center. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 2 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
NSN5905-00-393-2496
Primary Part Number66078W7
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Mounting Facility Quantity3
Mounting Hole Diameter0.406 INCHES NOMINAL IN
Angle Between Centerlines of Mounting Holes in Deg120.000
Overall Diameter10.500 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5945-00-259-03063374 INTERCHANGEABLE
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2990-00-356-1084T-3374 INTERCHANGEABLE
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1680-00-988-18273374 INTERCHANGEABLE
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7025-01-056-9401 INTERCHANGEABLE
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5340-01-130-2601F6NY-250BK INTERCHANGEABLE
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5930-01-207-6517800T-FXQ12RA1 INTERCHANGEABLE
Switch,push-Pull
Rockwell Automation, Inc. Dba Rockwell Automation
4130-01-397-8436 INTERCHANGEABLE
Filter Element,air Conditioning
1005-01-665-70443374 INTERCHANGEABLE
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Glock, Inc.
Cross-Reference Index
Part NumberManufacturer
3370ALT2PC178 Eaton Corp Opns & Technical Center (USA)
212-63-226PC178 Naval Ship Systems Command (USA)
253-63-05PC178 Naval Ship Systems Command (USA)
3370PC178 Eaton Corp Opns & Technical Center (USA)
389949PCRHE0STAT Naval Ship Systems Command (USA)
228-63-029PC178 Naval Ship Systems Command (USA)
3374ALT4PCRHE0STAT Eaton Corp Opns & Technical Center (USA)
66078W7 PRIMARY Eaton Corp Opns & Technical Center (USA)
212-63-05ALT1PC178 Naval Ship Systems Command (USA)
212-63-226ALT1PC178 Naval Ship Systems Command (USA)
3374 Eaton Corp Opns & Technical Center (USA)
Related Parts
5945-00-259-0306INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3374
2990-00-356-1084INTERCHANGEABLE
MUFFLER,EXHAUST
T-3374
5945-00-949-8874INTERCHANGEABLE
FLASHER,THERMAL
7811230
1680-00-988-1827INTERCHANGEABLE
DIAPHRAGM REGULATOR
3374
7025-01-056-9401INTERCHANGEABLE
DISK DRIVE UNIT
5930-01-067-1285INTERCHANGEABLE
SWITCH,TOGGLE
3305
5340-01-130-2601INTERCHANGEABLE
CLAMP,LOOP
F6NY-250BK
5930-01-207-6517INTERCHANGEABLE
SWITCH,PUSH-PULL
800T-FXQ12RA1
4130-01-397-8436INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
1005-01-665-7044INTERCHANGEABLE
PISTOL DISASSEMBLY APPARATUS
3374

Frequently Asked Questions

What is NSN 5905-00-393-2496?

NSN 5905-00-393-2496 is a Resistor,variable,wire Wound,non, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-393-2496?

NSN 5905-00-393-2496 has 11 cross-referenced part numbers: 3370ALT2PC178 (Eaton Corp Opns & Technical Center), 212-63-226PC178 (Naval Ship Systems Command), 253-63-05PC178 (Naval Ship Systems Command), 3370PC178 (Eaton Corp Opns & Technical Center), 389949PCRHE0STAT (Naval Ship Systems Command) and 6 more.

What NSN replaces 5905-00-393-2496?

There are 10 known substitutes for 5905-00-393-2496: 5945-00-259-0306, 2990-00-356-1084, 5945-00-949-8874 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66078W7?

Key specifications for 66078W7: Overall Length: 5.313 INCHES NOMINAL IN; Mounting Facility Quantity: 3; Mounting Hole Diameter: 0.406 INCHES NOMINAL IN; Angle Between Centerlines of Mounting Holes in Deg: 120.000. 7 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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