PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W56Heater,thermal Release

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5999-01-281-8366 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-281-8366 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-281-8366. Primary manufacturer part number: W56.
Features
  • Heater,thermal Release — FSC 5999
  • 3 verified cross-references
  • Primary manufacturer: Rockwell Automation, Inc. Dba Rockwell Automation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-01-281-8366, 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 Rockwell Automation, Inc. Dba Rockwell Automation. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-281-8366
Primary Part NumberW56
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZN
Weight0.0500 lbs
Cube0.0017 cu ft
Verified Substitutes 3
5330-00-117-9284 INTERCHANGEABLE
Seal,plain Encased
5999-00-787-6729W56 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
6210-01-007-365251-0901-0111-201 INTERCHANGEABLE
Light,indicator
Dialight Corporation
Cross-Reference Index
Part NumberManufacturer
EAS81366-1 Drs Environmental Systems Inc (USA)
EAS81366-1 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
W56 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5330-00-117-9284INTERCHANGEABLE
SEAL,PLAIN ENCASED
5999-00-787-6729INTERCHANGEABLE
HEATER,THERMAL RELEASE
W56
6210-01-007-3652INTERCHANGEABLE
LIGHT,INDICATOR
51-0901-0111-201

Frequently Asked Questions

What is NSN 5999-01-281-8366?

NSN 5999-01-281-8366 is a Heater,thermal Release, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-281-8366?

NSN 5999-01-281-8366 has 3 cross-referenced part numbers: EAS81366-1 (Drs Environmental Systems Inc), EAS81366-1 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), W56 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5999-01-281-8366?

There are 3 known substitutes for 5999-01-281-8366: 5330-00-117-9284, 5999-00-787-6729, 6210-01-007-3652. Verify interchangeability with system specifications before substitution.

What are the specifications of W56?

Key specifications for W56: End Item Identification: USED ONBOARD 110 FT WPB COAST GUARD VESSELS FT; Special Features: BI-METALLIC ELEMENT;HEATER COIL AMPERE RATING 12.8 AMPS MINUMUM,16.8 AMPS MAXIMUM; End Item Identification: USED ONBOARD 110 FT WPB COAST GUARD VESSELS FT; Special Features: BI-METALLIC ELEMENT;HEATER COIL AMPERE RATING 12.8 AMPS MINUMUM,16.8 AMPS MAXIMUM. 4 total characteristics are documented in the Federal Logistics Information System.

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