PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7831-5649Switch,thermostatic

Ranco Inc Ranco Controls Div · NSN 5930-00-557-2439 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-557-2439 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-557-2439. Primary manufacturer part number: 7831-5649.
Features
  • Switch,thermostatic — FSC 5930
  • Terminal Type: TAB W/SCREW
  • Temp Sensing Element Type: CAPILLARY TUBE-BULB
  • Contact Voltage Rating in Volts: 250.0 DC AT SEA LEVEL SECOND VOLTAGE
  • Contact Voltage Rating in Volts: 277.0 AC AT SEA LEVEL FIRST VOLTAGE
  • Contact Adjustment Range: -60.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT
  • Contact Adjustability: ACTUATION POINT ADJUSTABLE
  • Contact Load Current Rating: 30.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-557-2439, 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 Ranco Inc Ranco Controls Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-557-2439
Primary Part Number7831-5649
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerRanco Inc Ranco Controls Div
StatusCANCELLED
Terminal TypeTAB W/SCREW
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Contact Voltage Rating in Volts250.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact Voltage Rating in Volts277.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Adjustment Range-60.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact Action StimulusINCREASE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
Bulb Length7.375 INCHES NOMINAL IN
Mounting MethodFLUSH
Capillary Tube Length48.000 INCHES NOMINAL IN
Bulb Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5315-00-054-55415649 INTERCHANGEABLE
Pin,tapered,plain
Am General Llc
5360-00-116-12865649 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
5330-00-147-8217 INTERCHANGEABLE
Gasket
5996-00-605-03975649 INTERCHANGEABLE
Amplifier,electronic Control
Analog Devices, Inc. Div Corporate Headquarters
5330-01-076-4743 INTERCHANGEABLE
Seal,oil
5330-01-187-86043496557 INTERCHANGEABLE
Seal,plain Encased
Chrysler Corp Service and Parts Opns
4510-01-256-06875649 INTERCHANGEABLE
Diverter,faucet
Peerless Faucet Co Div of Masco Corp
5935-01-378-71125649 INTERCHANGEABLE
Adapter,connector
Fluke Electronics Corp
5120-01-400-0226 INTERCHANGEABLE
Handle,socket Wrench
6515-01-558-877461200 INTERCHANGEABLE
Mask,oronasal
Dimensions Medical Supply Group, Inc. Dba D M S G
Cross-Reference Index
Part NumberManufacturer
B7831-5649 Ranco Inc Ranco Controls Div (USA)
5649 Ranco Inc Ranco Controls Div (USA)
5649 Ranco Management Corp (USA)
7831-5649 PRIMARY Ranco Inc Ranco Controls Div (USA)
Related Parts
5315-00-054-5541INTERCHANGEABLE
PIN,TAPERED,PLAIN
5649
5360-00-116-1286INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5649
5330-00-147-8217INTERCHANGEABLE
GASKET
5996-00-605-0397INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
5649
5330-01-076-4743INTERCHANGEABLE
SEAL,OIL
5330-01-187-8604INTERCHANGEABLE
SEAL,PLAIN ENCASED
3496557
4510-01-256-0687INTERCHANGEABLE
DIVERTER,FAUCET
5649
5935-01-378-7112INTERCHANGEABLE
ADAPTER,CONNECTOR
5649
5120-01-400-0226INTERCHANGEABLE
HANDLE,SOCKET WRENCH
6515-01-558-8774INTERCHANGEABLE
MASK,ORONASAL
61200
9905-01-734-1040INTERCHANGEABLE
SIGN
5649

Frequently Asked Questions

What is NSN 5930-00-557-2439?

NSN 5930-00-557-2439 is a Switch,thermostatic, manufactured by Ranco Inc Ranco Controls Div, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-557-2439?

NSN 5930-00-557-2439 has 4 cross-referenced part numbers: B7831-5649 (Ranco Inc Ranco Controls Div), 5649 (Ranco Inc Ranco Controls Div), 5649 (Ranco Management Corp), 7831-5649 (Ranco Inc Ranco Controls Div).

What NSN replaces 5930-00-557-2439?

There are 11 known substitutes for 5930-00-557-2439: 5315-00-054-5541, 5360-00-116-1286, 5330-00-147-8217 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7831-5649?

Key specifications for 7831-5649: Terminal Type: TAB W/SCREW; Temp Sensing Element Type: CAPILLARY TUBE-BULB; Overall Width: 1.656 INCHES NOMINAL IN; Contact Voltage Rating in Volts: 250.0 DC AT SEA LEVEL SECOND VOLTAGE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-557-2439 still in active supply?

NSN 5930-00-557-2439 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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