PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15958-14ITEM16P1Heater,thermal Release

Ward Leonard Ct Llc · NSN 5999-00-665-7711 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-665-7711 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-665-7711. Primary manufacturer part number: 15958-14ITEM16P1.
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)
  • 5 verified cross-references
  • 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 5999-00-665-7711, 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. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-665-7711
Primary Part Number15958-14ITEM16P1
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusCANCELLED
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 StatusCANCELLED
Successor5999-00-444-6697 (B22)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0600 lbs
Cube0.0095 cu ft
Verified Substitutes 12
No Item Name Available
5999-00-444-6697B22 SUCCESSOR
Heater,thermal Release
Ward Leonard Ct Llc
7025-01-348-2241B22 SUCCESSOR
Transfer Unit,programmable Cartr
Lockheed Martin Services, Llc
3455-00-224-365359-10006 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4820-00-274-7391590T-1.0 INTERCHANGEABLE
Valve,globe
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4730-00-289-5927 INTERCHANGEABLE
Clamp,hose
8455-00-387-0955 INTERCHANGEABLE
Sword Knot
6680-00-394-7335B22 INTERCHANGEABLE
Tip,convex
Schulze Mfg., Inc.
4940-00-408-3529B-220 INTERCHANGEABLE
Degreaser
Doers Associates Llc
6740-00-436-4949 INTERCHANGEABLE
Printer,projection,photographic
Cross-Reference Index
Part NumberManufacturer
B22 Schneider Electric Usa, Inc. (USA)
15958-14ITEM16P1 PRIMARY Ward Leonard Ct Llc (USA)
B22 Schneider Electric Usa, Inc. (USA)
B22.0 Schneider Electric Usa, Inc Dba Schneider Electric (USA)
B22.0 PRIMARY Schneider Electric Usa, Inc. (USA)
Related Parts
SUCCESSOR 5999-00-444-6697 Heater,thermal Release · B22
5999-00-383-2308SUCCESSOR
NO ITEM NAME AVAILABLE
7025-01-348-2241SUCCESSOR
TRANSFER UNIT,PROGRAMMABLE CARTR
B22
3455-00-224-3653INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10006
4820-00-274-7391INTERCHANGEABLE
VALVE,GLOBE
590T-1.0
4730-00-289-5927INTERCHANGEABLE
CLAMP,HOSE
8455-00-387-0955INTERCHANGEABLE
SWORD KNOT
6680-00-394-7335INTERCHANGEABLE
TIP,CONVEX
B22
4940-00-408-3529INTERCHANGEABLE
DEGREASER
B-220
6740-00-436-4949INTERCHANGEABLE
PRINTER,PROJECTION,PHOTOGRAPHIC
5365-00-550-3078INTERCHANGEABLE
SHIM
B2-2
4820-00-595-1907INTERCHANGEABLE
VALVE,GLOBE
TYPE 2/CLASS 150/SIZE 1-1/2 IN

Frequently Asked Questions

What is NSN 5999-00-665-7711?

NSN 5999-00-665-7711 is a Heater,thermal Release, manufactured by Ward Leonard Ct Llc, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-665-7711?

NSN 5999-00-665-7711 has 5 cross-referenced part numbers: B22 (Schneider Electric Usa, Inc.), 15958-14ITEM16P1 (Ward Leonard Ct Llc), B22 (Schneider Electric Usa, Inc.), B22.0 (Schneider Electric Usa, Inc Dba Schneider Electric), B22.0 (Schneider Electric Usa, Inc.).

What NSN replaces 5999-00-665-7711?

There are 12 known substitutes for 5999-00-665-7711: 5999-00-383-2308, 5999-00-444-6697, 7025-01-348-2241 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15958-14ITEM16P1?

Key specifications for 15958-14ITEM16P1: Mounting Hole Diameter: 0.188 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN; Overall Height: 1.000 INCHES NOMINAL IN; Overall Length: 1.875 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-665-7711 still in active supply?

NSN 5999-00-665-7711 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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