PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7902809-00Relay,thermal

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5945-00-119-9003 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-119-9003 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-119-9003. Primary manufacturer part number: 7902809-00.
Features
  • Relay,thermal — FSC 5945
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
  • Contact Maximum Current Rating in Amps: 2.0 AC OR 1.0 DC
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC
  • Terminal Type and Quantity: 7 WIRE HOOK
  • Heater Voltage Rating in Volts: 115.0
  • Delay Time in Seconds: 10.0 ADJUSTABLE OPERATE MINIMUM AND 20.0 ADJUSTABLE OPERATE MAXIMUM
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-119-9003, 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 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5945-00-119-9003
Primary Part Number7902809-00
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Contact Maximum Current Rating in Amps2.0 AC OR 1.0 DC
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Terminal Type and Quantity7 WIRE HOOK
Heater Voltage Rating in Volts115.0
Delay Time in Seconds10.0 ADJUSTABLE OPERATE MINIMUM AND 20.0 ADJUSTABLE OPERATE MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
9540-00-406-8028320572 INTERCHANGEABLE
Channel,structural
Aluminum Co of America
Cross-Reference Index
Part NumberManufacturer
7902809-00 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
LS5001 Radiodetection, Llc (USA)
Related Parts
9540-00-406-8028INTERCHANGEABLE
CHANNEL,STRUCTURAL
320572

Frequently Asked Questions

What is NSN 5945-00-119-9003?

NSN 5945-00-119-9003 is a Relay,thermal, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-119-9003?

NSN 5945-00-119-9003 has 2 cross-referenced part numbers: 7902809-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), LS5001 (Radiodetection, Llc).

What NSN replaces 5945-00-119-9003?

There is 1 known substitute for 5945-00-119-9003: 9540-00-406-8028. Verify interchangeability with system specifications before substitution.

What are the specifications of 7902809-00?

Key specifications for 7902809-00: Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN; Special Features: DELAY ON RESPONSE TIME WILL OCCUR ONLY UPON INTERRUPTION OF 500 FT PER MINUTE ENVIORNMENTAL AIRFLOW; MTG HOLES 0.130 INCH DIA SPACES 1.125 INCHES C TO C IN; Overall Height: 1.470 INCHES MAXIMUM IN; Contact Maximum Current Rating in Amps: 2.0 AC OR 1.0 DC. 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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