PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37346Switch,thermostatic

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp · NSN 5930-00-135-5040 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-135-5040 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-135-5040. Primary manufacturer part number: 37346.
Features
  • Switch,thermostatic — FSC 5930
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S)
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
  • Contact Voltage Rating in Volts: 32.0 DC AT SEA LEVEL SINGLE VOLTAGE
  • Media for Which Designed: GAS OR LIQUID
  • Style Designator: CYLINDRICAL W/FLANGE
  • Contact Stimulus Rating: 260.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-135-5040, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-135-5040
Primary Part Number37346
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
StatusACTIVE
Mounting MethodFLANGE AND UNTHREADED HOLE(S)
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact Voltage Rating in Volts32.0 DC AT SEA LEVEL SINGLE VOLTAGE
Media for Which DesignedGAS OR LIQUID
Style DesignatorCYLINDRICAL W/FLANGE
Contact Stimulus Rating260.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Mounting Facility PatternTHREE POSITION CIRCULAR
Mounting Facility Circle Radius0.624 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Hazardous Locations/environmental ProtectionVIBRATION RESISTANT
Flange Overall Width1.440 INCHES NOMINAL IN
Temp Sensing Element TypeBULB
Operating Temp Rating0.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF
Contact Action StimulusINCREASE
Unthreaded Mounting Hole Diameter0.234 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9540-00-242-5436 INTERCHANGEABLE
Beam,structural
4810-00-336-950937346 INTERCHANGEABLE
Seat,valve
Eaton Aerospace, Llc Dba Jackson South
9540-00-528-8819 INTERCHANGEABLE
Beam,structural
5950-00-945-377037346 INTERCHANGEABLE
Transformer,audio Frequency
Freed Transformer Co
5365-01-090-6579R-8-9-20 INTERCHANGEABLE
Ring,operating
Todd Combustion Inc
6210-01-158-0393 INTERCHANGEABLE
Light Assembly,indicator
5365-01-418-5879CB27986-001 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
5310-01-683-296037346 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Fastenal Company Div Mqmi
Cross-Reference Index
Part NumberManufacturer
37346 Radiodetection, Llc (USA)
37346 PRIMARY Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
Related Parts
9540-00-242-5436INTERCHANGEABLE
BEAM,STRUCTURAL
4810-00-336-9509INTERCHANGEABLE
SEAT,VALVE
37346
9540-00-528-8819INTERCHANGEABLE
BEAM,STRUCTURAL
5950-00-945-3770INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
37346
5365-01-090-6579INTERCHANGEABLE
RING,OPERATING
R-8-9-20
6210-01-158-0393INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
5365-01-418-5879INTERCHANGEABLE
SHIM
CB27986-001
5310-01-683-2960INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
37346

Frequently Asked Questions

What is NSN 5930-00-135-5040?

NSN 5930-00-135-5040 is a Switch,thermostatic, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-135-5040?

NSN 5930-00-135-5040 has 2 cross-referenced part numbers: 37346 (Radiodetection, Llc), 37346 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp).

What NSN replaces 5930-00-135-5040?

There are 8 known substitutes for 5930-00-135-5040: 9540-00-242-5436, 4810-00-336-9509, 9540-00-528-8819 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37346?

Key specifications for 37346: Mounting Method: FLANGE AND UNTHREADED HOLE(S); Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE; Contact Voltage Rating in Volts: 32.0 DC AT SEA LEVEL SINGLE VOLTAGE. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com