PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51954Thermopile,aircraft

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4920-01-491-5249 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-491-5249 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-491-5249. Primary manufacturer part number: 51954.
Features
  • Thermopile,aircraft — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Thermopile,aircraft, cataloged under National Stock Number 4920-01-491-5249, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameThermopile,aircraft
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersElectro Impulse Laboratory Inc Dba Electro Impulse Inc (CAGE 91161)
Technical Specifications
ParameterValue
NSN4920-01-491-5249
Primary Part Number51954
Item NameThermopile,aircraft
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2940-00-073-3316158139 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
5950-00-681-725051954 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
4730-00-928-7402C910-4 INTERCHANGEABLE
Elbow,tube
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
6625-01-302-99194981A100091-3 ITEM 93 INTERCHANGEABLE
Meter,special Scale
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
2590-01-379-456851954 INTERCHANGEABLE
Winch,drum,vehicle Mounting
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
51954 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
2940-00-073-3316INTERCHANGEABLE
FILTER ELEMENT,FLUID
158139
5950-00-681-7250INTERCHANGEABLE
TRANSFORMER,POWER
51954
4730-00-928-7402INTERCHANGEABLE
ELBOW,TUBE
C910-4
6625-01-302-9919INTERCHANGEABLE
METER,SPECIAL SCALE
4981A100091-3 ITEM 93
2590-01-379-4568INTERCHANGEABLE
WINCH,DRUM,VEHICLE MOUNTING
51954

Frequently Asked Questions

What is NSN 4920-01-491-5249?

NSN 4920-01-491-5249 is a Thermopile,aircraft, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-491-5249?

NSN 4920-01-491-5249 has 1 cross-referenced part number: 51954 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4920-01-491-5249?

There are 5 known substitutes for 4920-01-491-5249: 2940-00-073-3316, 5950-00-681-7250, 4730-00-928-7402 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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