PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

645A713H04Heat Sink,electrical-Electronic

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5999-01-295-5489 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-295-5489 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-295-5489. Primary manufacturer part number: 645A713H04.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-295-5489, 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 Dba Northrop Grumman Systems Corp. 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
NSN5999-01-295-5489
Primary Part Number645A713H04
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-073-9982 (25-801860-3)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeG
Verified Substitutes 12
6625-00-073-998225-801860-3 SUCCESSOR
Voltmeter
General Dynamics Mission Systems, Inc.
6625-00-103-032710279474 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6625-00-127-6672213039 SUCCESSOR
Voltmeter
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
6625-00-137-9039631-15737 SUCCESSOR
Voltmeter
Phaostron Instrument and Electronic Company
6625-00-138-58452652662 SUCCESSOR
Ammeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-00-325-09771183016P1 SUCCESSOR
Meter,special Scale
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6625-00-357-18021987055 SUCCESSOR
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-00-407-0757SM-C-667920 SUCCESSOR
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-408-09568034936 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6625-00-465-2138631-14931 SUCCESSOR
Meter,standing Wave Ratio
Phaostron Instrument and Electronic Company
Cross-Reference Index
Part NumberManufacturer
631 Eg and G Wakefield Engineering (USA)
645A713H04 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
SUCCESSOR 6625-00-073-9982 Voltmeter · 25-801860-3
6625-00-103-0327SUCCESSOR
METER,ARBITRARY SCALE
10279474
6625-00-127-6672SUCCESSOR
VOLTMETER
213039
6625-00-137-9039SUCCESSOR
VOLTMETER
631-15737
6625-00-138-5845SUCCESSOR
AMMETER
2652662
6625-00-325-0977SUCCESSOR
METER,SPECIAL SCALE
1183016P1
6625-00-357-1802SUCCESSOR
VOLTMETER
1987055
6625-00-407-0757SUCCESSOR
AMMETER
SM-C-667920
6625-00-408-0956SUCCESSOR
METER,ARBITRARY SCALE
8034936
6625-00-465-2138SUCCESSOR
METER,STANDING WAVE RATIO
631-14931
6625-00-489-6275SUCCESSOR
VOLTMETER
6625-00-491-5581SUCCESSOR
WATTMETER
05D0203G02

Frequently Asked Questions

What is NSN 5999-01-295-5489?

NSN 5999-01-295-5489 is a Heat Sink,electrical-Electronic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-295-5489?

NSN 5999-01-295-5489 has 2 cross-referenced part numbers: 631 (Eg and G Wakefield Engineering), 645A713H04 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5999-01-295-5489?

There are 12 known substitutes for 5999-01-295-5489: 6625-00-073-9982, 6625-00-103-0327, 6625-00-127-6672 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 645A713H04?

Key specifications for 645A713H04: Special Features: NSN RESTRICTED TO USE BY NWS DEPOT TEAM ONLY; End Item Identification: NEXT GENERATION RADAR (NEXRAD); AIR SURVEILLANCE RADAR 9 (ASR-9); Special Features: NSN RESTRICTED TO USE BY NWS DEPOT TEAM ONLY; End Item Identification: NEXT GENERATION RADAR (NEXRAD); AIR SURVEILLANCE RADAR 9 (ASR-9). 4 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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