PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4170850-2Relay,thermal

Raytheon Company Div Rmd Strategic · NSN 5945-00-964-2419 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-964-2419 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-964-2419. Primary manufacturer part number: 4170850-2.
Features
  • Relay,thermal — FSC 5945
  • Heater Power Rating in Watts: 4.0
  • Contact Maximum Voltage Rating in Volts: 250.0 AC
  • Terminal Type and Quantity: 4 PIN
  • Delay Time in Seconds: 40.0 FIXED OPERATE NOMINAL
  • Heater Voltage Rating in Volts: 250.0
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
  • Contact Maximum Current Rating in Amps: 3.0 AC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-964-2419, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-964-2419
Primary Part Number4170850-2
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Rmd Strategic
StatusACTIVE
Heater Power Rating in Watts4.0
Contact Maximum Voltage Rating in Volts250.0 AC
Terminal Type and Quantity4 PIN
Delay Time in Seconds40.0 FIXED OPERATE NOMINAL
Heater Voltage Rating in Volts250.0
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Contact Maximum Current Rating in Amps3.0 AC
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Environmental ProtectionHERMETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5970-00-556-2924 INTERCHANGEABLE
Insulator,standoff
5960-00-681-0301 INTERCHANGEABLE
Shield,electron Tube
6210-00-899-4205 INTERCHANGEABLE
Light,indicator
5995-01-088-3910140710-1 INTERCHANGEABLE
Cable Assembly,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
4170850-2 Raytheon Company Div Rmd Strategic (USA)
1407-10-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILSTD242 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5970-00-556-2924INTERCHANGEABLE
INSULATOR,STANDOFF
5960-00-681-0301INTERCHANGEABLE
SHIELD,ELECTRON TUBE
6210-00-899-4205INTERCHANGEABLE
LIGHT,INDICATOR
5995-01-088-3910INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
140710-1

Frequently Asked Questions

What is NSN 5945-00-964-2419?

NSN 5945-00-964-2419 is a Relay,thermal, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-964-2419?

NSN 5945-00-964-2419 has 3 cross-referenced part numbers: 4170850-2 (Raytheon Company Div Rmd Strategic), 1407-10-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILSTD242 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5945-00-964-2419?

There are 4 known substitutes for 5945-00-964-2419: 5970-00-556-2924, 5960-00-681-0301, 6210-00-899-4205 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4170850-2?

Key specifications for 4170850-2: Special Features: TWO 0.125 IN. DIA MTG HOLES SPACED 1.125 IN. C TO C IN; Overall Height: 2.380 INCHES NOMINAL IN; Heater Power Rating in Watts: 4.0; Contact Maximum Voltage Rating in Volts: 250.0 AC. 13 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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