PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B66Heater,thermal Release

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5999-01-245-9755 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-245-9755 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-245-9755. Primary manufacturer part number: B66.
Features
  • Heater,thermal Release — FSC 5999
  • Current Rating for Which Designed: 37.5 AMPERES NOMINAL
  • Current Rating for Which Designed: 37.5 AMPERES NOMINAL
  • 1 verified cross-reference
  • 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 5999-01-245-9755, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-245-9755
Primary Part NumberB66
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Current Rating for Which Designed37.5 AMPERES NOMINAL
Current Rating for Which Designed37.5 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 9
5365-00-052-8808B6-6 INTERCHANGEABLE
Shim
Roller Bearing Co of America, Inc Div Pic Design
3110-00-277-0337ASTM F 2162-9 INTERCHANGEABLE
Bearing,roller,needle
American Society for Testing and Materials Dba Astm International
5950-00-406-6293 INTERCHANGEABLE
Transformer,radio Frequency
6730-00-450-0706 INTERCHANGEABLE
Synchronizer,sound,slide Project
3030-00-529-0466 INTERCHANGEABLE
Belt,v
5950-01-021-53151219-113 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
3110-01-098-5496P1-63 INTERCHANGEABLE
Bearing,needle
Timken Aerospace, Inc Dba Torrington Product
4730-01-313-9446B-66 INTERCHANGEABLE
Plug,quick Disconnect
Tuthill Corp Hansen Coupling Div
3460-01-522-4975B66 INTERCHANGEABLE
Wheel,abrasive
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
Cross-Reference Index
Part NumberManufacturer
B66 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5365-00-052-8808INTERCHANGEABLE
SHIM
B6-6
3110-00-277-0337INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
ASTM F 2162-9
5950-00-406-6293INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6730-00-450-0706INTERCHANGEABLE
SYNCHRONIZER,SOUND,SLIDE PROJECT
3030-00-529-0466INTERCHANGEABLE
BELT,V
5950-01-021-5315INTERCHANGEABLE
TRANSFORMER,POWER
1219-113
3110-01-098-5496INTERCHANGEABLE
BEARING,NEEDLE
P1-63
4730-01-313-9446INTERCHANGEABLE
PLUG,QUICK DISCONNECT
B-66
3460-01-522-4975INTERCHANGEABLE
WHEEL,ABRASIVE
B66

Frequently Asked Questions

What is NSN 5999-01-245-9755?

NSN 5999-01-245-9755 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 5999-01-245-9755?

NSN 5999-01-245-9755 has 1 cross-referenced part number: B66 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5999-01-245-9755?

There are 9 known substitutes for 5999-01-245-9755: 5365-00-052-8808, 3110-00-277-0337, 5950-00-406-6293 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B66?

Key specifications for B66: Current Rating for Which Designed: 37.5 AMPERES NOMINAL; Current Rating for Which Designed: 37.5 AMPERES NOMINAL. 2 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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