PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2132Relay,thermal

Jettron Products Inc · NSN 5945-00-636-7946 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-636-7946 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-636-7946. Primary manufacturer part number: B2132.
Features
  • Relay,thermal — FSC 5945
  • Contact Maximum Voltage Rating in Volts: 450.0 AC
  • Environmental Protection: HERMETIC
  • Heater Power Rating in Watts: 5.0
  • Delay Time in Seconds: 120.0 FIXED OPERATE NOMINAL
  • Overall Diameter: 1.275 INCHES NOMINAL IN
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
  • Criticality Code Justification: FEAT
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-636-7946, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Jettron Products Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-636-7946
Primary Part NumberB2132
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerJettron Products Inc
StatusCANCELLED
Contact Maximum Voltage Rating in Volts450.0 AC
Environmental ProtectionHERMETIC
Heater Power Rating in Watts5.0
Delay Time in Seconds120.0 FIXED OPERATE NOMINAL
Overall Diameter1.275 INCHES NOMINAL IN
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Criticality Code JustificationFEAT
Mounting Facility Type and Quantity1 OCTAL BASE PLUG-IN
Terminal Type and Quantity8 PIN
Heater Voltage Rating in Volts117.0
Contact Maximum Current Rating in Amps3.0 AC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3040-00-402-3464B2132 INTERCHANGEABLE
Lever,manual Control
Miller-Holzwarth Inc.
5961-01-227-7596 INTERCHANGEABLE
Transistor
4710-01-317-2873B2132 INTERCHANGEABLE
Tube Assembly,metal
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
B2132 PRIMARY Jettron Products Inc (USA)
501B2132 Mcgraw-Edison Co Power Systems Group (USA)
501B2132 Jettron Products Inc (USA)
Related Parts
3040-00-402-3464INTERCHANGEABLE
LEVER,MANUAL CONTROL
B2132
5961-01-227-7596INTERCHANGEABLE
TRANSISTOR
4710-01-317-2873INTERCHANGEABLE
TUBE ASSEMBLY,METAL
B2132

Frequently Asked Questions

What is NSN 5945-00-636-7946?

NSN 5945-00-636-7946 is a Relay,thermal, manufactured by Jettron Products Inc, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-636-7946?

NSN 5945-00-636-7946 has 3 cross-referenced part numbers: B2132 (Jettron Products Inc), 501B2132 (Mcgraw-Edison Co Power Systems Group), 501B2132 (Jettron Products Inc).

What NSN replaces 5945-00-636-7946?

There are 3 known substitutes for 5945-00-636-7946: 3040-00-402-3464, 5961-01-227-7596, 4710-01-317-2873. Verify interchangeability with system specifications before substitution.

What are the specifications of B2132?

Key specifications for B2132: Contact Maximum Voltage Rating in Volts: 450.0 AC; Environmental Protection: HERMETIC; Special Features: WEPAON SYSTEM ESSENTIAL; Heater Power Rating in Watts: 5.0. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-636-7946 still in active supply?

NSN 5945-00-636-7946 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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