PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1672Relay,thermal

Meggitt (new Hampshire), Inc · NSN 5945-00-254-6265 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-254-6265 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-254-6265. Primary manufacturer part number: B1672.
Features
  • Relay,thermal — FSC 5945
  • Heater Voltage Rating in Volts: 115.0
  • Contact Maximum Voltage Rating in Volts: 28.0 DC
  • Environmental Protection: HERMETIC
  • Terminal Type and Quantity: 8 PIN
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
  • Mounting Facility Type and Quantity: 1 OCTAL BASE PLUG-IN
  • Heater Power Rating in Watts: 6.0
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-254-6265, 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 Meggitt (new Hampshire), 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-254-6265
Primary Part NumberB1672
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMeggitt (new Hampshire), Inc
StatusACTIVE
Heater Voltage Rating in Volts115.0
Contact Maximum Voltage Rating in Volts28.0 DC
Environmental ProtectionHERMETIC
Terminal Type and Quantity8 PIN
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Mounting Facility Type and Quantity1 OCTAL BASE PLUG-IN
Heater Power Rating in Watts6.0
Overall Diameter1.275 INCHES NOMINAL IN
Delay Time in Seconds28.0 ADJUSTABLE OPERATE MINIMUM AND 75.0 ADJUSTABLE OPERATE MAXIMUM
Contact Maximum Current Rating in Amps1.0 DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2910-00-173-4711 INTERCHANGEABLE
Shaft,throttle
5995-01-066-180435110-627 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Sams Electronic Technologies, Inc. Dba Sams Electronic Technologies
7025-01-613-603179C1082-00 INTERCHANGEABLE
Nrp,drive,ss,64gb
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B1672 Meggitt (new Hampshire), Inc (USA)
501B1672 Jettron Products Inc (USA)
RL-1052 Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
2910-00-173-4711INTERCHANGEABLE
SHAFT,THROTTLE
5995-01-066-1804INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
35110-627
7025-01-613-6031INTERCHANGEABLE
NRP,DRIVE,SS,64GB
79C1082-00

Frequently Asked Questions

What is NSN 5945-00-254-6265?

NSN 5945-00-254-6265 is a Relay,thermal, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-254-6265?

NSN 5945-00-254-6265 has 3 cross-referenced part numbers: B1672 (Meggitt (new Hampshire), Inc), 501B1672 (Jettron Products Inc), RL-1052 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 5945-00-254-6265?

There are 3 known substitutes for 5945-00-254-6265: 2910-00-173-4711, 5995-01-066-1804, 7025-01-613-6031. Verify interchangeability with system specifications before substitution.

What are the specifications of B1672?

Key specifications for B1672: Heater Voltage Rating in Volts: 115.0; Contact Maximum Voltage Rating in Volts: 28.0 DC; Environmental Protection: HERMETIC; Terminal Type and Quantity: 8 PIN. 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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