PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3150-50-3Switch,thermostatic

Kearfott Corporation Div Guidance and Navigation Division · NSN 5930-01-054-3489 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-054-3489 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-054-3489. Primary manufacturer part number: 3150-50-3.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
  • Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL SINGLE VOLTAGE
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
  • Unthreaded Mounting Hole Diameter: 0.104 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
  • Contact Stimulus Rating: 131.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 135.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 4.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Contact Action Stimulus: INCREASE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-01-054-3489, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-054-3489
Primary Part Number3150-50-3
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusACTIVE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
Unthreaded Mounting Hole Diameter0.104 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Contact Stimulus Rating131.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 135.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 4.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Action StimulusINCREASE
Mounting Facility PatternTWO POSITION IN-LINE
Body Height0.233 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S)
Body Diameter0.650 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers0.937 INCHES NOMINAL IN
Terminal TypeTAB, SOLDER LUG
Operating Temp Rating185.0 FAHRENHEIT MAXIMUM DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2940-01-057-9691HP2 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6210-01-171-4340 INTERCHANGEABLE
Indicator,light
5930-01-469-64317921714-00 INTERCHANGEABLE
Switch,thermostatic
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
3150-50-3 PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
7921714-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
4912495-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
4286A2-152 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
B278 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
4286A2-487 Texas Instruments Inc Metallurgical Materials Div (USA)
4286A2-152 Texas Instruments Inc Metallurgical Materials Div (USA)
4286A2-487 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
2940-01-057-9691INTERCHANGEABLE
FILTER ELEMENT,FLUID
HP2
6210-01-171-4340INTERCHANGEABLE
INDICATOR,LIGHT
5930-01-469-6431INTERCHANGEABLE
SWITCH,THERMOSTATIC
7921714-00

Frequently Asked Questions

What is NSN 5930-01-054-3489?

NSN 5930-01-054-3489 is a Switch,thermostatic, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-054-3489?

NSN 5930-01-054-3489 has 8 cross-referenced part numbers: 3150-50-3 (Kearfott Corporation Div Guidance and Navigation Division), 7921714-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 4912495-02 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 4286A2-152 (Sensata Technologies, Inc. Div Sensata Attleboro), B278 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan) and 3 more.

What NSN replaces 5930-01-054-3489?

There are 3 known substitutes for 5930-01-054-3489: 2940-01-057-9691, 6210-01-171-4340, 5930-01-469-6431. Verify interchangeability with system specifications before substitution.

What are the specifications of 3150-50-3?

Key specifications for 3150-50-3: Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE; Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL SINGLE VOLTAGE; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED; Unthreaded Mounting Hole Diameter: 0.104 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN. 15 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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