PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GH825BJ1Heat Sink,electrical-Electronic

Northrop Grumman Systems Corporation · NSN 5999-00-368-2945 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-368-2945 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-368-2945. Primary manufacturer part number: GH825BJ1.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material: ALUMINUM ALLOY
  • Material: ALUMINUM ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-368-2945, 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 Northrop Grumman Systems Corporation. Government technical data includes 2 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
NSN5999-00-368-2945
Primary Part NumberGH825BJ1
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
MaterialALUMINUM ALLOY
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.4000 lbs
Cube0.0197 cu ft
Verified Substitutes 12
5305-00-080-9181 INTERCHANGEABLE
Screw,machine
5120-00-189-7985 INTERCHANGEABLE
Socket,socket Wrench
5133-00-189-9310 INTERCHANGEABLE
Drill,twist
5133-00-227-9666 INTERCHANGEABLE
Drill,twist
5136-00-580-7359T106A INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5935-00-644-5155UG296U INTERCHANGEABLE
Connector,receptacle,electrical
Joint Electronics Type Designation System
3439-00-807-285412-124 INTERCHANGEABLE
Power Unit,resistance Heating,so
Ideal Industries, Inc.
3020-00-883-058412124 INTERCHANGEABLE
Gear,bevel
Drs Signal Solutions, Inc.
5950-01-046-384612124 INTERCHANGEABLE
Transformer,pulse
L3 Technologies, Inc. Div Communication Systems-West
3455-01-216-784612124 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
Cross-Reference Index
Part NumberManufacturer
GH825BJ1 PRIMARY Northrop Grumman Systems Corporation (USA)
12124 Thermalloy Co Inc (USA)
Related Parts
5305-00-080-9181INTERCHANGEABLE
SCREW,MACHINE
5120-00-189-7985INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5133-00-189-9310INTERCHANGEABLE
DRILL,TWIST
5133-00-227-9666INTERCHANGEABLE
DRILL,TWIST
5136-00-580-7359INTERCHANGEABLE
TAP,THREAD CUTTING
T106A
5935-00-644-5155INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
UG296U
3439-00-807-2854INTERCHANGEABLE
POWER UNIT,RESISTANCE HEATING,SO
12-124
3020-00-883-0584INTERCHANGEABLE
GEAR,BEVEL
12124
5950-01-046-3846INTERCHANGEABLE
TRANSFORMER,PULSE
12124
3455-01-216-7846INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12124
5330-01-275-1958INTERCHANGEABLE
SEAL,PLAIN ENCASED
12124
5310-01-288-8460INTERCHANGEABLE
WASHER,SPRING TENSION

Frequently Asked Questions

What is NSN 5999-00-368-2945?

NSN 5999-00-368-2945 is a Heat Sink,electrical-Electronic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-368-2945?

NSN 5999-00-368-2945 has 2 cross-referenced part numbers: GH825BJ1 (Northrop Grumman Systems Corporation), 12124 (Thermalloy Co Inc).

What NSN replaces 5999-00-368-2945?

There are 12 known substitutes for 5999-00-368-2945: 5305-00-080-9181, 5120-00-189-7985, 5133-00-189-9310 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GH825BJ1?

Key specifications for GH825BJ1: Overall Width: 1.240 INCHES NOMINAL IN; Material: ALUMINUM ALLOY; Overall Height: 0.075 INCHES NOMINAL IN; Overall Length: 4.650 INCHES NOMINAL IN. 8 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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