PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FH78Relay,thermal

Eaton Corporation Dba Eaton Inoac · NSN 5945-00-135-6187 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-135-6187 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-135-6187. Primary manufacturer part number: FH78.
Features
  • Relay,thermal — FSC 5945
  • 2 verified cross-references
  • Primary manufacturer: Eaton Corporation Dba Eaton Inoac
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-135-6187, 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 Eaton Corporation Dba Eaton Inoac. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRelay,thermal
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersEaton Corporation Dba Eaton Inoac (CAGE 89946)
Technical Specifications
ParameterValue
NSN5945-00-135-6187
Primary Part NumberFH78
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-413-0360 INTERCHANGEABLE
Link,detachable Cha
5365-00-498-0635H7-8 INTERCHANGEABLE
Bushing,tapered
Emerson Electric Co Browning Mfg Div
5930-00-506-1922H7-8 INTERCHANGEABLE
Switch,sensitive
Safran Power Usa, Llc
5985-01-312-3644H78 INTERCHANGEABLE
Hanger Kit,waveguid
Gabriel Electronics Inc
Cross-Reference Index
Part NumberManufacturer
FH78 PRIMARY Eaton Corporation Dba Eaton Inoac (USA)
H78 PRIMARY Eaton Corporation Dba Eaton Inoac (USA)
Related Parts
3020-00-413-0360INTERCHANGEABLE
LINK,DETACHABLE CHA
5365-00-498-0635INTERCHANGEABLE
BUSHING,TAPERED
H7-8
5930-00-506-1922INTERCHANGEABLE
SWITCH,SENSITIVE
H7-8
5985-01-312-3644INTERCHANGEABLE
HANGER KIT,WAVEGUID
H78

Frequently Asked Questions

What is NSN 5945-00-135-6187?

NSN 5945-00-135-6187 is a Relay,thermal, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-135-6187?

NSN 5945-00-135-6187 has 2 cross-referenced part numbers: FH78 (Eaton Corporation Dba Eaton Inoac), H78 (Eaton Corporation Dba Eaton Inoac).

What NSN replaces 5945-00-135-6187?

There are 4 known substitutes for 5945-00-135-6187: 3020-00-413-0360, 5365-00-498-0635, 5930-00-506-1922 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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