PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40193Switch,thermostatic

Naval Ship Systems Command · NSN 5930-00-254-0342 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-254-0342 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-254-0342. Primary manufacturer part number: 40193.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Action Stimulus: INCREASE
  • Contact Stimulus Rating: 176.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 175.90 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Voltage Rating in Volts: 110.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Terminal Type: WIRE LEAD
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Contact Load Current Rating: 270.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-254-0342, 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 Naval Ship Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5930-00-254-0342
Primary Part Number40193
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Contact Action StimulusINCREASE
Contact Stimulus Rating176.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 175.90 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Voltage Rating in Volts110.0 AC AT SEA LEVEL SINGLE VOLTAGE
Terminal TypeWIRE LEAD
Temp Sensing Element TypeINTERNAL SENSOR
Contact Load Current Rating270.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Overall Diameter0.375 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5977-00-116-362000822269 INTERCHANGEABLE
Holder,electrical Contact Brush
National Oilwell Varco Inc Dba National Oilwell
5930-00-228-3007 INTERCHANGEABLE
Switch,thermostatic
5930-00-254-0343 INTERCHANGEABLE
Switch,thermostatic
6530-00-502-970840193 INTERCHANGEABLE
Sterilization Test Strip Set,bac
Getinge Usa Inc
5930-00-504-6923310-129 INTERCHANGEABLE
Switch,thermostatic
Keysight Technologies Inc
5930-00-513-6075 INTERCHANGEABLE
Switch,thermostatic
3020-00-621-813440193 INTERCHANGEABLE
Gear,spur
Honeywell International Inc. Div Aerospace - Torrance
5950-00-953-5106G146-385-001 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
2530-01-042-4309 INTERCHANGEABLE
Cylinder Assembly,b
2910-01-378-602540193 INTERCHANGEABLE
Pump,fuel,electrical
Purolator Products Co Div Motor Components, Llc
Cross-Reference Index
Part NumberManufacturer
K884773SUB2PT3 Rca Corp Distributor and Special Products Div
K884773SUB2PT3 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
S1-1A Shallco, Inc (USA)
40193 PRIMARY Naval Ship Systems Command (USA)
Related Parts
5977-00-116-3620INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
00822269
5930-00-228-3007INTERCHANGEABLE
SWITCH,THERMOSTATIC
5930-00-254-0343INTERCHANGEABLE
SWITCH,THERMOSTATIC
6530-00-502-9708INTERCHANGEABLE
STERILIZATION TEST STRIP SET,BAC
40193
5930-00-504-6923INTERCHANGEABLE
SWITCH,THERMOSTATIC
310-129
5930-00-513-6075INTERCHANGEABLE
SWITCH,THERMOSTATIC
3020-00-621-8134INTERCHANGEABLE
GEAR,SPUR
40193
5950-00-953-5106INTERCHANGEABLE
TRANSFORMER,POWER
G146-385-001
2530-01-042-4309INTERCHANGEABLE
CYLINDER ASSEMBLY,B
2910-01-378-6025INTERCHANGEABLE
PUMP,FUEL,ELECTRICAL
40193

Frequently Asked Questions

What is NSN 5930-00-254-0342?

NSN 5930-00-254-0342 is a Switch,thermostatic, manufactured by Naval Ship Systems Command, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-254-0342?

NSN 5930-00-254-0342 has 4 cross-referenced part numbers: K884773SUB2PT3 (Rca Corp Distributor and Special Products Div), K884773SUB2PT3 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), S1-1A (Shallco, Inc), 40193 (Naval Ship Systems Command).

What NSN replaces 5930-00-254-0342?

There are 10 known substitutes for 5930-00-254-0342: 5977-00-116-3620, 5930-00-228-3007, 5930-00-254-0343 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40193?

Key specifications for 40193: Contact Action Stimulus: INCREASE; Contact Stimulus Rating: 176.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 175.90 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT; Contact Voltage Rating in Volts: 110.0 AC AT SEA LEVEL SINGLE VOLTAGE; Terminal Type: WIRE LEAD. 10 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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