PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H37Heater,thermal Release

Siemens Energy and Automation Inc Siemens Furnas Controls Div · NSN 5999-00-378-9680 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-378-9680 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-378-9680. Primary manufacturer part number: H37.
Features
  • Heater,thermal Release — FSC 5999
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • 7 verified cross-references
  • Primary manufacturer: Siemens Energy and Automation Inc Siemens Furnas Controls Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-378-9680, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Siemens Energy and Automation Inc Siemens Furnas Controls Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-378-9680
Primary Part NumberH37
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSiemens Energy and Automation Inc Siemens Furnas Controls Div
StatusACTIVE
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-252-6350 (1585384)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
5999-00-252-63501585384 SUCCESSOR
Cap,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Multimeter
6625-01-092-1198260-8 SUCCESSOR
Multimeter
Simpson Electric Company, Inc.
3110-00-144-8710102668-415 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-00-201-00932607 INTERCHANGEABLE
Spring,helical,compression
Triumph Engine Control Systems Llc
5935-00-258-9958SMB133447 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6105-00-421-7700IGL-001 INTERCHANGEABLE
Motor-Tachometer Generator
Island Components Group Inc
4730-00-489-39072607 INTERCHANGEABLE
Coupling Half,quick Disconnect
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
6210-00-548-0296 INTERCHANGEABLE
Lens,light
5950-00-645-5397LQ0177 INTERCHANGEABLE
Transformer,discriminator
Rauland-Borg Corp
Cross-Reference Index
Part NumberManufacturer
C029 Transairco Inc (USA)
C0L9 Transairco Inc (USA)
2607 Keco Industries, Inc. (USA)
H37 Eaton Corporation Dba Eaton Inoac (USA)
2607 Hdt Expeditionary Systems Inc (USA)
H37 PRIMARY Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
2607 Drs Environmental Systems Inc (USA)
Related Parts
SUCCESSOR 5999-00-252-6350 Cap,electrical · 1585384
6625-01-036-8864SUCCESSOR
MULTIMETER
6625-01-092-1198SUCCESSOR
MULTIMETER
260-8
3110-00-144-8710INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-415
5360-00-201-0093INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2607
5935-00-258-9958INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SMB133447
6105-00-421-7700INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
IGL-001
4730-00-489-3907INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
2607
6210-00-548-0296INTERCHANGEABLE
LENS,LIGHT
5950-00-645-5397INTERCHANGEABLE
TRANSFORMER,DISCRIMINATOR
LQ0177
5330-00-736-5815INTERCHANGEABLE
GASKET
H37
5355-00-995-5063INTERCHANGEABLE
DIAL,CONTROL
2607

Frequently Asked Questions

What is NSN 5999-00-378-9680?

NSN 5999-00-378-9680 is a Heater,thermal Release, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-378-9680?

NSN 5999-00-378-9680 has 7 cross-referenced part numbers: C029 (Transairco Inc), C0L9 (Transairco Inc), 2607 (Keco Industries, Inc.), H37 (Eaton Corporation Dba Eaton Inoac), 2607 (Hdt Expeditionary Systems Inc) and 2 more.

What NSN replaces 5999-00-378-9680?

There are 12 known substitutes for 5999-00-378-9680: 5999-00-252-6350, 6625-01-036-8864, 6625-01-092-1198 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H37?

Key specifications for H37: Overall Length: 1.250 INCHES NOMINAL IN; Mounting Hole Diameter: 0.188 INCHES NOMINAL IN; Overall Height: 0.938 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S). 10 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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