PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TC-115Switch,engine Temperature,automo

Fluid System Components, Inc. Div Fluid Systems Components · NSN 2990-01-521-9923 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-521-9923 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-521-9923. Primary manufacturer part number: TC-115.
Features
  • Switch,engine Temperature,automo — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Fluid System Components, Inc. Div Fluid Systems Components
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Mechanical power generation
  • Drive system operation
General Description

The Switch,engine Temperature,automo, cataloged under National Stock Number 2990-01-521-9923, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Fluid System Components, Inc. Div Fluid Systems Components. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSwitch,engine Temperature,automo
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersFluid System Components, Inc. Div Fluid Systems Components (CAGE 1ET59)
Technical Specifications
ParameterValue
NSN2990-01-521-9923
Primary Part NumberTC-115
Item NameSwitch,engine Temperature,automo
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerFluid System Components, Inc. Div Fluid Systems Components
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-484-2712GB850K1 INTERCHANGEABLE
Strap,retaining
Northrop Grumman Systems Corporation
5140-00-608-4757TC115 INTERCHANGEABLE
Cabinet,tool,mobile
Simonsen Metal Products Corp
2805-00-906-62521011P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
TC-115 PRIMARY Fluid System Components, Inc. Div Fluid Systems Components (USA)
Related Parts
5340-00-484-2712INTERCHANGEABLE
STRAP,RETAINING
GB850K1
5140-00-608-4757INTERCHANGEABLE
CABINET,TOOL,MOBILE
TC115
2805-00-906-6252INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
1011P

Frequently Asked Questions

What is NSN 2990-01-521-9923?

NSN 2990-01-521-9923 is a Switch,engine Temperature,automo, manufactured by Fluid System Components, Inc. Div Fluid Systems Components, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-521-9923?

NSN 2990-01-521-9923 has 1 cross-referenced part number: TC-115 (Fluid System Components, Inc. Div Fluid Systems Components).

What NSN replaces 2990-01-521-9923?

There are 3 known substitutes for 2990-01-521-9923: 5340-00-484-2712, 5140-00-608-4757, 2805-00-906-6252. Verify interchangeability with system specifications before substitution.

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