PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

FH37Relay,thermal

Eaton Corporation · NSN 5945-01-220-8608 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-220-8608 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-220-8608. Primary manufacturer part number: FH37.
Features
  • Relay,thermal — FSC 5945
  • 2 verified cross-references
  • Primary manufacturer: Eaton Corporation
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-01-220-8608, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRelay,thermal
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersVishay Angstrohm Precision Inc Dba Vishay Angstrohm (CAGE 17745); Eaton Corporation (CAGE 36KU7)
Technical Specifications
ParameterValue
NSN5945-01-220-8608
Primary Part NumberFH37
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEaton Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 2
6520-01-153-6121FH3/7 INTERCHANGEABLE
File,periodontal
Hu-Friedy Mfg. Co., Llc
5999-01-154-1056FH37 INTERCHANGEABLE
Heater,thermal Release
Eaton Corporation Dba Eaton Inoac
Cross-Reference Index
Part NumberManufacturer
FH37 Vishay Angstrohm Precision Inc Dba Vishay Angstrohm (USA)
FH37 PRIMARY Eaton Corporation (USA)
Related Parts
6520-01-153-6121INTERCHANGEABLE
FILE,PERIODONTAL
FH3/7
5999-01-154-1056INTERCHANGEABLE
HEATER,THERMAL RELEASE
FH37

Frequently Asked Questions

What is NSN 5945-01-220-8608?

NSN 5945-01-220-8608 is a Relay,thermal, manufactured by Eaton Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-220-8608?

NSN 5945-01-220-8608 has 2 cross-referenced part numbers: FH37 (Vishay Angstrohm Precision Inc Dba Vishay Angstrohm), FH37 (Eaton Corporation).

What NSN replaces 5945-01-220-8608?

There are 2 known substitutes for 5945-01-220-8608: 6520-01-153-6121, 5999-01-154-1056. Verify interchangeability with system specifications before substitution.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com