PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W16Heater,thermal Release

Ward Leonard Ct Llc · NSN 5999-00-499-7440 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-499-7440 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-499-7440. Primary manufacturer part number: W16.
Features
  • Heater,thermal Release — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Ward Leonard Ct Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-499-7440, 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 Ward Leonard Ct Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHeater,thermal Release
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersWard Leonard Ct Llc (CAGE 63743)
Technical Specifications
ParameterValue
NSN5999-00-499-7440
Primary Part NumberW16
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 6
5310-00-186-0975 INTERCHANGEABLE
Washer,key
5310-00-186-1032 INTERCHANGEABLE
Washer,key
9150-00-211-6057W16 INTERCHANGEABLE
Hydraulic Fluid,petroleum Base
Martin-Decker Totco, Inc Dba M/d Totco
3120-00-516-7157 INTERCHANGEABLE
Bearing,washer,thrust
6230-00-965-1371 INTERCHANGEABLE
Flashlight
5999-01-420-8283W16 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
W16 PRIMARY Ward Leonard Ct Llc (USA)
Related Parts
5310-00-186-0975INTERCHANGEABLE
WASHER,KEY
5310-00-186-1032INTERCHANGEABLE
WASHER,KEY
9150-00-211-6057INTERCHANGEABLE
HYDRAULIC FLUID,PETROLEUM BASE
W16
3120-00-516-7157INTERCHANGEABLE
BEARING,WASHER,THRUST
6230-00-965-1371INTERCHANGEABLE
FLASHLIGHT
5999-01-420-8283INTERCHANGEABLE
HEATER,THERMAL RELEASE
W16

Frequently Asked Questions

What is NSN 5999-00-499-7440?

NSN 5999-00-499-7440 is a Heater,thermal Release, manufactured by Ward Leonard Ct Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-499-7440?

NSN 5999-00-499-7440 has 1 cross-referenced part number: W16 (Ward Leonard Ct Llc).

What NSN replaces 5999-00-499-7440?

There are 6 known substitutes for 5999-00-499-7440: 5310-00-186-0975, 5310-00-186-1032, 9150-00-211-6057 and 3 more. Verify interchangeability with system specifications before substitution.

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