PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

276-003-0001Heat Sink,electrical-Electronic

Northrop Grumman Systems Corporation · NSN 5999-00-962-5743 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-962-5743 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-962-5743. Primary manufacturer part number: 276-003-0001.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Surface Treatment: CHROMATE
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Material Document and Classification: QQ-A-525 FED SPEC SINGLE MATERIAL RESPONSE
  • Unthreaded Mounting Hole Diameter: 0.206 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Body Style: CLIP PRESS-ON
  • Overall Diameter: 0.290 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-962-5743, 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 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-962-5743
Primary Part Number276-003-0001
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Surface TreatmentCHROMATE
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Material Document and ClassificationQQ-A-525 FED SPEC SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.206 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Body StyleCLIP PRESS-ON
Overall Diameter0.290 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6061
Surface TreatmentCHROMATE
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Material Document and ClassificationQQ-A-525 FED SPEC SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.206 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Body StyleCLIP PRESS-ON
Overall Diameter0.290 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6061
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 2
5999-00-738-504194G3223 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Aimtron Systems, Llc
6695-01-460-9744TA5 INTERCHANGEABLE
Transducer,assembly
Undersea Systems International, Inc. Dba Ocean Technology Systems
Cross-Reference Index
Part NumberManufacturer
TA5 Thermal Syndicate Ltd (USA)
276-003-0001 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5999-00-738-5041INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
94G3223
6695-01-460-9744INTERCHANGEABLE
TRANSDUCER,ASSEMBLY
TA5

Frequently Asked Questions

What is NSN 5999-00-962-5743?

NSN 5999-00-962-5743 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 5999-00-962-5743?

NSN 5999-00-962-5743 has 2 cross-referenced part numbers: TA5 (Thermal Syndicate Ltd), 276-003-0001 (Northrop Grumman Systems Corporation).

What NSN replaces 5999-00-962-5743?

There are 2 known substitutes for 5999-00-962-5743: 5999-00-738-5041, 6695-01-460-9744. Verify interchangeability with system specifications before substitution.

What are the specifications of 276-003-0001?

Key specifications for 276-003-0001: Surface Treatment: CHROMATE; Overall Height: 0.375 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Material Document and Classification: QQ-A-525 FED SPEC SINGLE MATERIAL RESPONSE. 18 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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