PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26C15Relay,thermal

Amperite Co Inc · NSN 5945-00-643-5768 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-643-5768 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-643-5768. Primary manufacturer part number: 26C15.
Features
  • Relay,thermal — FSC 5945
  • Mounting Facility Type and Quantity: 1 OCTAL BASE PLUG-IN
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY CLOSED
  • Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Contact Maximum Current Rating in Amps: 3.0 AC
  • Environmental Protection: HERMETIC
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Heater Voltage Rating in Volts: 26.0
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-643-5768, 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 Amperite Co Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-643-5768
Primary Part Number26C15
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAmperite Co Inc
StatusACTIVE
Mounting Facility Type and Quantity1 OCTAL BASE PLUG-IN
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
Contact Maximum Voltage Rating in Volts115.0 AC
Contact Maximum Current Rating in Amps3.0 AC
Environmental ProtectionHERMETIC
Overall Diameter1.250 INCHES NOMINAL IN
Heater Voltage Rating in Volts26.0
Delay Time in Seconds15.0 FIXED OPERATE NOMINAL
Heater Power Rating in Watts2.0
Terminal Type and Quantity7 WIRE HOOK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5307-00-514-68345223825 INTERCHANGEABLE
Stud,shouldered
Army, United States Department of the Dba Rock Island Arsenal Jmtc
Cross-Reference Index
Part NumberManufacturer
EE1051 Pierce Co Inc the Sub of Avis Industrial Corp (USA)
905985-07 Unisys Corp Computer Systems Div Washington Parts & Supply Center (USA)
26C15 PRIMARY Amperite Co Inc (USA)
Related Parts
5307-00-514-6834INTERCHANGEABLE
STUD,SHOULDERED
5223825

Frequently Asked Questions

What is NSN 5945-00-643-5768?

NSN 5945-00-643-5768 is a Relay,thermal, manufactured by Amperite Co Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-643-5768?

NSN 5945-00-643-5768 has 3 cross-referenced part numbers: EE1051 (Pierce Co Inc the Sub of Avis Industrial Corp), 905985-07 (Unisys Corp Computer Systems Div Washington Parts & Supply Center), 26C15 (Amperite Co Inc).

What NSN replaces 5945-00-643-5768?

There is 1 known substitute for 5945-00-643-5768: 5307-00-514-6834. Verify interchangeability with system specifications before substitution.

What are the specifications of 26C15?

Key specifications for 26C15: Mounting Facility Type and Quantity: 1 OCTAL BASE PLUG-IN; Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY CLOSED; Contact Maximum Voltage Rating in Volts: 115.0 AC; Contact Maximum Current Rating in Amps: 3.0 AC. 11 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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