PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4995Switch,thermostatic

Smith a O Water Products Co Div of a O Smith Corp · NSN 5930-01-259-1809 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-259-1809 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-259-1809. Primary manufacturer part number: 4995.
Features
  • Switch,thermostatic — FSC 5930
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Contact Action Stimulus: INCREASE
  • Terminal Type: SCREW
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S)
  • 1 verified cross-reference
  • Primary manufacturer: Smith a O Water Products Co Div of a O Smith Corp
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-01-259-1809, 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 Smith a O Water Products Co Div of a O Smith Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-259-1809
Primary Part Number4995
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSmith a O Water Products Co Div of a O Smith Corp
StatusACTIVE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Action StimulusINCREASE
Terminal TypeSCREW
Temp Sensing Element TypeINTERNAL SENSOR
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-036-16564824-3201274PC7 INTERCHANGEABLE
Diaphragm,valve,flat
Naval Ship Systems Command
5905-00-106-2682311-0374-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Credence Systems Corp
8115-00-190-499524X14X24SWWR400 INTERCHANGEABLE
Box,shipping
Ponderosa Packaging Corp.
5999-00-549-5898C83.0 INTERCHANGEABLE
Heater,thermal Release
Schneider Electric Usa, Inc.
1560-00-780-3208265-913807 INTERCHANGEABLE
Cover,access,aircraft
The Boeing Company Div Legacy Am&m
5315-01-130-9225499-5 INTERCHANGEABLE
Pin,straight,headed
Parker Hannifin Corp Dba Pneutronics
5340-01-493-9457499-5 INTERCHANGEABLE
Bail,retaining
Lifesaving Systems Llc
5120-01-504-8099J4995 INTERCHANGEABLE
Key Set,socket Head Screw
The Stanley Works Dba Stanley Proto
3120-01-691-2191 INTERCHANGEABLE
Bearing,washer,thrust
Cross-Reference Index
Part NumberManufacturer
4995 PRIMARY Smith a O Water Products Co Div of a O Smith Corp (USA)
Related Parts
4820-00-036-1656INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
4824-3201274PC7
5905-00-106-2682INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-0374-00
8115-00-190-4995INTERCHANGEABLE
BOX,SHIPPING
24X14X24SWWR400
5999-00-549-5898INTERCHANGEABLE
HEATER,THERMAL RELEASE
C83.0
1560-00-780-3208INTERCHANGEABLE
COVER,ACCESS,AIRCRAFT
265-913807
5315-01-130-9225INTERCHANGEABLE
PIN,STRAIGHT,HEADED
499-5
5340-01-493-9457INTERCHANGEABLE
BAIL,RETAINING
499-5
5120-01-504-8099INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
J4995
3120-01-691-2191INTERCHANGEABLE
BEARING,WASHER,THRUST

Frequently Asked Questions

What is NSN 5930-01-259-1809?

NSN 5930-01-259-1809 is a Switch,thermostatic, manufactured by Smith a O Water Products Co Div of a O Smith Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-259-1809?

NSN 5930-01-259-1809 has 1 cross-referenced part number: 4995 (Smith a O Water Products Co Div of a O Smith Corp).

What NSN replaces 5930-01-259-1809?

There are 9 known substitutes for 5930-01-259-1809: 4820-00-036-1656, 5905-00-106-2682, 8115-00-190-4995 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4995?

Key specifications for 4995: Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Temp Sensing Element Type: INTERNAL SENSOR. 5 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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