PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50257Switch,thermostatic

Wells Mfg Co · NSN 5930-00-236-7714 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-236-7714 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-236-7714. Primary manufacturer part number: 50257.
Features
  • Switch,thermostatic — FSC 5930
  • Bulb Diameter: 0.190 INCHES NOMINAL IN
  • Contact Load Current Rating: 30.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
  • Operating Temp Rating: 100.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
  • Contact Voltage Rating in Volts: 277.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Media for Which Designed: GAS
  • Temp Sensing Element Type: CAPILLARY TUBE-BULB
  • Contact Action Stimulus: INCREASE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-236-7714, 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 Wells Mfg Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-236-7714
Primary Part Number50257
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerWells Mfg Co
StatusCANCELLED
Bulb Diameter0.190 INCHES NOMINAL IN
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Operating Temp Rating100.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
Contact Voltage Rating in Volts277.0 AC AT SEA LEVEL SINGLE VOLTAGE
Media for Which DesignedGAS
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Contact Action StimulusINCREASE
Bulb Length11.620 INCHES NOMINAL IN
Capillary Tube Length36.0 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-101-101067390 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5950-00-146-4823 INTERCHANGEABLE
Transformer,power
3020-00-203-1450SCB69329 INTERCHANGEABLE
Gear,spur
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-213-0832 INTERCHANGEABLE
Bearing,sleeve
1220-00-590-614071-844 INTERCHANGEABLE
Control Assy
Lockheed Martin Corporation Div Rms - Mitchel Field
4730-00-595-025111711 INTERCHANGEABLE
Tee,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
5950-00-919-188756-266232-1 INTERCHANGEABLE
Transformer,audio Frequency
General Dynamics Mission Systems, Inc.
5325-00-981-018150-257 INTERCHANGEABLE
Ring,retaining
Motorola Solutions Danmark A/s
4210-01-049-370430257 INTERCHANGEABLE
Nozzle Assembly
Tyco Fire Products Lp
5330-01-236-05046139024-7 INTERCHANGEABLE
Gasket
Naval Facilities Engineering Command
Cross-Reference Index
Part NumberManufacturer
71844 Wells Mfg Co (USA)
30257 Wells Mfg Co (USA)
50257 K & D Factory Service, Inc. (USA)
50257 PRIMARY Wells Mfg Co (USA)
SJ-328-36 Robertshaw Controls Co New Stanton Div (USA)
SJ-157-36 Robertshaw Controls Co New Stanton Div (USA)
Related Parts
3110-00-101-1010INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
67390
5950-00-146-4823INTERCHANGEABLE
TRANSFORMER,POWER
3020-00-203-1450INTERCHANGEABLE
GEAR,SPUR
SCB69329
3120-00-213-0832INTERCHANGEABLE
BEARING,SLEEVE
1220-00-590-6140INTERCHANGEABLE
CONTROL ASSY
71-844
4730-00-595-0251INTERCHANGEABLE
TEE,PIPE
11711
5950-00-919-1887INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
56-266232-1
5325-00-981-0181INTERCHANGEABLE
RING,RETAINING
50-257
4210-01-049-3704INTERCHANGEABLE
NOZZLE ASSEMBLY
30257
5330-01-236-0504INTERCHANGEABLE
GASKET
6139024-7
5331-01-289-3131INTERCHANGEABLE
O-RING
30257
6660-01-313-6444INTERCHANGEABLE
MAINTENANCE KIT,SENSOR
50257

Frequently Asked Questions

What is NSN 5930-00-236-7714?

NSN 5930-00-236-7714 is a Switch,thermostatic, manufactured by Wells Mfg Co, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-236-7714?

NSN 5930-00-236-7714 has 6 cross-referenced part numbers: 71844 (Wells Mfg Co), 30257 (Wells Mfg Co), 50257 (K & D Factory Service, Inc.), 50257 (Wells Mfg Co), SJ-328-36 (Robertshaw Controls Co New Stanton Div) and 1 more.

What NSN replaces 5930-00-236-7714?

There are 12 known substitutes for 5930-00-236-7714: 3110-00-101-1010, 5950-00-146-4823, 3020-00-203-1450 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50257?

Key specifications for 50257: Bulb Diameter: 0.190 INCHES NOMINAL IN; Contact Load Current Rating: 30.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE; Operating Temp Rating: 100.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF; Special Features: CONTAINS AUXILIARY SWITCH; RATED AT 240V AC; 30 AMP V. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-236-7714 still in active supply?

NSN 5930-00-236-7714 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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