PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

163-12Heater,thermal Release

Hollingsworth John R Co · NSN 5999-00-710-7666 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-710-7666 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-710-7666. Primary manufacturer part number: 163-12.
Features
  • Heater,thermal Release — FSC 5999
  • Mounting Hole Diameter: 0.156 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.156 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • 2 verified cross-references
  • Primary manufacturer: Hollingsworth John R Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-710-7666, 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 Hollingsworth John R Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-710-7666
Primary Part Number163-12
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerHollingsworth John R Co
StatusACTIVE
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-01-501-5914
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Verified Substitutes 12
Circuit Card Assembly
5998-01-615-534016312 SUCCESSOR
Circuit Card Assembly
Extreme Networks, Inc
6150-00-173-871816312 INTERCHANGEABLE
Lead,electrical
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5331-00-451-9571N0674 2-109 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
6105-00-484-1420 INTERCHANGEABLE
End Bell,electrical Rotating Equ
6640-01-015-184316312 INTERCHANGEABLE
Impinger Cylinder and Tube,dust
Scientific Glass & Instruments Inc
5330-01-043-125516-312 INTERCHANGEABLE
Packing,preformed
Metrex Valve Corp. Dba Metrex Valve Corp
5340-01-062-178516312 INTERCHANGEABLE
Handle,bow
Tld Wollard Llc
5935-01-086-1598152190-0000 INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Llc
6525-01-112-405316312 INTERCHANGEABLE
Hanger,x-Ray Film
Wolf X-Ray, Corporation
Cross-Reference Index
Part NumberManufacturer
163-12 Hollingsworth John R Co (USA)
163-12 Monitor Controller Co (USA)
Related Parts
SUCCESSOR 5998-01-501-5914 Circuit Card Assembly
5998-01-615-5340SUCCESSOR
CIRCUIT CARD ASSEMBLY
16312
6150-00-173-8718INTERCHANGEABLE
LEAD,ELECTRICAL
16312
5331-00-451-9571INTERCHANGEABLE
O-RING
N0674 2-109
6105-00-484-1420INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
6640-01-015-1843INTERCHANGEABLE
IMPINGER CYLINDER AND TUBE,DUST
16312
5330-01-043-1255INTERCHANGEABLE
PACKING,PREFORMED
16-312
5340-01-062-1785INTERCHANGEABLE
HANDLE,BOW
16312
5935-01-086-1598INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
152190-0000
6525-01-112-4053INTERCHANGEABLE
HANGER,X-RAY FILM
16312
3010-01-385-3774INTERCHANGEABLE
COUPLING,SHAFT,RIGID
16312
5342-01-502-8361INTERCHANGEABLE
WEDGE,DOG,DOOR-HATCH
163-12

Frequently Asked Questions

What is NSN 5999-00-710-7666?

NSN 5999-00-710-7666 is a Heater,thermal Release, manufactured by Hollingsworth John R Co, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-710-7666?

NSN 5999-00-710-7666 has 2 cross-referenced part numbers: 163-12 (Hollingsworth John R Co), 163-12 (Monitor Controller Co).

What NSN replaces 5999-00-710-7666?

There are 12 known substitutes for 5999-00-710-7666: 5998-01-501-5914, 5998-01-615-5340, 6150-00-173-8718 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 163-12?

Key specifications for 163-12: Mounting Hole Diameter: 0.156 INCHES NOMINAL IN; Overall Width: 0.469 INCHES NOMINAL IN; Overall Height: 1.281 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S). 10 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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