PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W20Heater,thermal Release

Ward Leonard Ct Llc · NSN 5999-00-868-2961 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-868-2961 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-868-2961. Primary manufacturer part number: W20.
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 5999-00-868-2961, 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. 11 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
NSN5999-00-868-2961
Primary Part NumberW20
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 11
5315-00-011-7995MS35756-27 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-186-0979 INTERCHANGEABLE
Washer,key
5310-00-247-419610A8317 INTERCHANGEABLE
Washer,flat
Napco International Llc Dba Napco International Inc
5920-00-296-4885W20 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
6520-00-516-0000W20 INTERCHANGEABLE
Clamp,rubber Dam,dental
Heraeus Kulzer Inc Dental Products Div
5950-00-800-2482610766-14 INTERCHANGEABLE
Transformer,power
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5920-00-864-4801W20 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
5955-01-069-95269324247 INTERCHANGEABLE
Crystal Unit,quartz
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
3405-01-249-6343V-20 INTERCHANGEABLE
Saw,band,metal Cutting
Robot Research Corp Wellsaw Div
4310-01-294-2472W20 INTERCHANGEABLE
Crankshaft,compressor
Emglo Products Corp
Cross-Reference Index
Part NumberManufacturer
W20 PRIMARY Ward Leonard Ct Llc (USA)
Related Parts
5315-00-011-7995INTERCHANGEABLE
KEY,WOODRUFF
MS35756-27
5310-00-186-0979INTERCHANGEABLE
WASHER,KEY
5310-00-247-4196INTERCHANGEABLE
WASHER,FLAT
10A8317
5920-00-296-4885INTERCHANGEABLE
FUSE,PLUG
W20
6520-00-516-0000INTERCHANGEABLE
CLAMP,RUBBER DAM,DENTAL
W20
5950-00-800-2482INTERCHANGEABLE
TRANSFORMER,POWER
610766-14
5920-00-864-4801INTERCHANGEABLE
FUSE,PLUG
W20
5955-01-069-9526INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
9324247
3405-01-249-6343INTERCHANGEABLE
SAW,BAND,METAL CUTTING
V-20
4310-01-294-2472INTERCHANGEABLE
CRANKSHAFT,COMPRESSOR
W20
5340-01-434-6908INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
W-20

Frequently Asked Questions

What is NSN 5999-00-868-2961?

NSN 5999-00-868-2961 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 5999-00-868-2961?

NSN 5999-00-868-2961 has 1 cross-referenced part number: W20 (Ward Leonard Ct Llc).

What NSN replaces 5999-00-868-2961?

There are 11 known substitutes for 5999-00-868-2961: 5315-00-011-7995, 5310-00-186-0979, 5310-00-247-4196 and 8 more. Verify interchangeability with system specifications before substitution.

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