PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10125764Heat Sink,electrical-Electronic

Us Army Aviation and Missile Command · NSN 5999-00-871-9538 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-871-9538 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-871-9538. Primary manufacturer part number: 10125764.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material Document and Classification: MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
  • Criticality Code Justification: FEAT
  • Material: COPPER ALLOY
  • Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Unthreaded Mounting Hole Diameter: 0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
  • Surface Treatment: OXIDE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-871-9538, 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 Us Army Aviation and Missile Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-871-9538
Primary Part Number10125764
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Material Document and ClassificationMIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
Criticality Code JustificationFEAT
MaterialCOPPER ALLOY
Surface Treatment Document and ClassificationMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Surface TreatmentOXIDE
Material Document and ClassificationMIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
Criticality Code JustificationFEAT
MaterialCOPPER ALLOY
Surface Treatment Document and ClassificationMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Surface TreatmentOXIDE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-01-622-2505 (2217-20)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeV
Weight0.0300 lbs
Cube0.0014 cu ft
Verified Substitutes 6
6625-01-622-25052217-20 SUCCESSOR
Multimeter
Milwaukee Tool & Equipment Company Incorporated Dba Milwaukee Malleable & Grey Iron Works Div
5330-00-098-3151221720 INTERCHANGEABLE
Gasket
Curtiss-Wright Controls, Inc. Div Actuation Division
3110-00-155-6557196691-5 INTERCHANGEABLE
Bearing,roller,cylindrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-01-029-91112-41050 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Ametek Programmable Power, Inc.
5999-01-089-1006207SB INTERCHANGEABLE
Heat Sink,electrical-Electronic
Eg and G Inc
4820-01-182-973760790-3 INTERCHANGEABLE
Valve,regulating,temperature
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
60790-1 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
919134-4 Meggitt (uk) Limited (GBR)
1205-0033 Hewlett-Packard Company Dba HP (USA)
W41294U6000A3 Hensoldt Sensors Gmbh (DEU)
036-20056-016 Lh Enterprise (USA)
5800583-097400-030 Hensoldt Sensors Gmbh (DEU)
C42121Z21C2 Hensoldt Sensors Gmbh (DEU)
10125764 PRIMARY Us Army Aviation and Missile Command (USA)
2556931 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Q62902B4 Tdk Electronics Ag (DEU)
207CB Eg and G Wakefield Engineering (USA)
NF207 Eg and G Wakefield Engineering (USA)
579R069H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
308-1129P2 Raytheon Company Dba Raytheon Co (USA)
7070010 Electrodynamics Inc Div L3harris Electrodynamics Inc (USA)
22-1720 Tellumat Ltd (GBR)
5933013 Tadiran Ltd (ISR)
Q62902B4 Epcos Ag Abt. Pr Roe K Pm (DEU)
566620001 Nokia Networks France (FRA)
54000027-000 Dne Technologies, Inc (USA)
Related Parts
SUCCESSOR 6625-01-622-2505 Multimeter · 2217-20
5330-00-098-3151INTERCHANGEABLE
GASKET
221720
3110-00-155-6557INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
196691-5
5999-01-029-9111INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
2-41050
5999-01-089-1006INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
207SB
4820-01-182-9737INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
60790-3

Frequently Asked Questions

What is NSN 5999-00-871-9538?

NSN 5999-00-871-9538 is a Heat Sink,electrical-Electronic, manufactured by Us Army Aviation and Missile Command, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-871-9538?

NSN 5999-00-871-9538 has 25 cross-referenced part numbers: 60790-1 (L3harris Technologies, Inc. Div Space and Airborne Systems), 919134-4 (Meggitt (uk) Limited), 1205-0033 (Hewlett-Packard Company Dba HP), W41294U6000A3 (Hensoldt Sensors Gmbh), 036-20056-016 (Lh Enterprise) and 20 more.

What NSN replaces 5999-00-871-9538?

There are 6 known substitutes for 5999-00-871-9538: 6625-01-622-2505, 5330-00-098-3151, 3110-00-155-6557 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10125764?

Key specifications for 10125764: Material Document and Classification: MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE; End Item Identification: C-130,F-15 AIRCRAFT; Criticality Code Justification: FEAT; Material: COPPER ALLOY. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-871-9538 still in active supply?

NSN 5999-00-871-9538 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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