PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

516423Switch,thermostatic

Instruments and Flight Research, Inc. · NSN 5930-00-760-0494 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-760-0494 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-760-0494. Primary manufacturer part number: 516423.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Adjustment Type: EXTERNAL ACTUATION POINT SCREW
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
  • Contact Action Stimulus: INCREASE
  • Temp Sensing Element Type: CAPILLARY TUBE-BULB
  • Body Length: 3.750 INCHES NOMINAL IN
  • Body Diameter: 0.625 INCHES NOMINAL IN
  • Mounting Method: IMMERSION WELL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-760-0494, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Instruments and Flight Research, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-760-0494
Primary Part Number516423
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusACTIVE
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
Contact Action StimulusINCREASE
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Body Length3.750 INCHES NOMINAL IN
Body Diameter0.625 INCHES NOMINAL IN
Mounting MethodIMMERSION WELL
Contact AdjustabilityACTUATION POINT ADJUSTABLE, PRESET
Style DesignatorCYLINDRICAL
Terminal TypeWIRE LEAD
Capillary Tube Length3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-060-179117121 INTERCHANGEABLE
Switch,thermostatic
Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
3040-00-083-684317121 INTERCHANGEABLE
Cam,control
Grimes Aerospace Company
5340-00-329-18601041 INTERCHANGEABLE
Band,retaining
V I J Corp Div National Utilities Company
6645-00-411-1130 INTERCHANGEABLE
Retainer,shaft
5935-00-895-9870GA800B3E INTERCHANGEABLE
Adapter,connector
Northrop Grumman Systems Corporation
5998-01-146-949017121 INTERCHANGEABLE
Circuit Card Assembly
Avo Intl
2530-01-248-0779 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
6145-01-317-41081712-1 INTERCHANGEABLE
Cable,special Purpose,electrical
Inmac Corporate Offices
4820-01-417-94141712-1 INTERCHANGEABLE
Seat,valve
Droitcour Co
5365-01-538-105017121 INTERCHANGEABLE
Plug,machine Thread
Eastern Tools & Equipment Inc
Cross-Reference Index
Part NumberManufacturer
516423 PRIMARY Instruments and Flight Research, Inc. (USA)
17121 Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA)
17121-0-(+130) Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA)
17121-0-(+130) Kidde-Fenwal, Llc (USA)
Related Parts
5930-00-060-1791INTERCHANGEABLE
SWITCH,THERMOSTATIC
17121
3040-00-083-6843INTERCHANGEABLE
CAM,CONTROL
17121
5340-00-329-1860INTERCHANGEABLE
BAND,RETAINING
1041
6645-00-411-1130INTERCHANGEABLE
RETAINER,SHAFT
5935-00-895-9870INTERCHANGEABLE
ADAPTER,CONNECTOR
GA800B3E
5998-01-146-9490INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
17121
2530-01-248-0779INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
6145-01-317-4108INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1712-1
4820-01-417-9414INTERCHANGEABLE
SEAT,VALVE
1712-1
5365-01-538-1050INTERCHANGEABLE
PLUG,MACHINE THREAD
17121
6115-01-563-9853INTERCHANGEABLE
PARTS KIT,ELECTRICAL GENERATOR
171-21
6515-01-590-2994INTERCHANGEABLE
SCREW,BONE
202.963

Frequently Asked Questions

What is NSN 5930-00-760-0494?

NSN 5930-00-760-0494 is a Switch,thermostatic, manufactured by Instruments and Flight Research, Inc., classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-760-0494?

NSN 5930-00-760-0494 has 4 cross-referenced part numbers: 516423 (Instruments and Flight Research, Inc.), 17121 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems), 17121-0-(+130) (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems), 17121-0-(+130) (Kidde-Fenwal, Llc).

What NSN replaces 5930-00-760-0494?

There are 12 known substitutes for 5930-00-760-0494: 5930-00-060-1791, 3040-00-083-6843, 5340-00-329-1860 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 516423?

Key specifications for 516423: Contact Adjustment Type: EXTERNAL ACTUATION POINT SCREW; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED; Overall Length: 4.469 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE. 12 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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