PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

276-024-0001Heat Sink,electrical-Electronic

Northrop Grumman Systems Corporation · NSN 5999-01-111-4879 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-111-4879 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-111-4879. Primary manufacturer part number: 276-024-0001.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material: ALUMINUM
  • Material: ALUMINUM
  • 6 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Applications requiring Aluminum construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-111-4879, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-111-4879
Primary Part Number276-024-0001
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
MaterialALUMINUM
MaterialALUMINUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-145-2583
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJ
Weight0.0010 lbs
Cube0.0001 cu ft
Verified Substitutes 8
No Item Name Available
Oscillator Sf
6625-01-362-14001115B SUCCESSOR
Dolly,test Equipment
Keysight Technologies Inc
5999-00-020-8328112-387-5 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Lockheed Martin Corporation Div Rms - Mitchel Field
5999-00-193-46321205-0226 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Keysight Technologies Inc
5961-00-401-29550N047194 INTERCHANGEABLE
Transistor
National Security Agency
5365-01-236-8329276024 INTERCHANGEABLE
Spacer,indicator
Bvr Technologies Co.
4020-01-572-7136276024 INTERCHANGEABLE
Rope,fibrous
Port Supply Division of West Marine Products
Cross-Reference Index
Part NumberManufacturer
311505B00000G Thermalloy Co Inc (USA)
276-024 Northrop Grumman Systems Corporation (USA)
276-024-0001 PRIMARY Northrop Grumman Systems Corporation (USA)
1115B Thermalloy Co Inc (USA)
1115C Thermalloy Co Inc (USA)
276-024-0001 Kontron Europe Gmbh (DEU)
Related Parts
SUCCESSOR 6625-00-145-2583 Oscillator Sf
5999-00-175-3621SUCCESSOR
NO ITEM NAME AVAILABLE
6625-01-362-1400SUCCESSOR
DOLLY,TEST EQUIPMENT
1115B
5999-00-020-8328INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
112-387-5
5999-00-193-4632INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
1205-0226
5961-00-401-2955INTERCHANGEABLE
TRANSISTOR
0N047194
5365-01-236-8329INTERCHANGEABLE
SPACER,INDICATOR
276024
4020-01-572-7136INTERCHANGEABLE
ROPE,FIBROUS
276024

Frequently Asked Questions

What is NSN 5999-01-111-4879?

NSN 5999-01-111-4879 is a Heat Sink,electrical-Electronic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-01-111-4879?

NSN 5999-01-111-4879 has 6 cross-referenced part numbers: 311505B00000G (Thermalloy Co Inc), 276-024 (Northrop Grumman Systems Corporation), 276-024-0001 (Northrop Grumman Systems Corporation), 1115B (Thermalloy Co Inc), 1115C (Thermalloy Co Inc) and 1 more.

What NSN replaces 5999-01-111-4879?

There are 8 known substitutes for 5999-01-111-4879: 5999-00-175-3621, 6625-00-145-2583, 6625-01-362-1400 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 276-024-0001?

Key specifications for 276-024-0001: Material: ALUMINUM; Material: ALUMINUM. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-111-4879 still in active supply?

NSN 5999-01-111-4879 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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