PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-H-87111/6Heat Sink,electrical-Electronic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5999-01-224-6302 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-224-6302 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-224-6302. Primary manufacturer part number: MIL-H-87111/6.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Specification/standard Data: 81349-MIL-H-87111/6 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Unthreaded Mounting Hole Diameter: 0.095 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Material: ALUMINUM ALLOY
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-224-6302, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5999-01-224-6302
Primary Part NumberMIL-H-87111/6
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Specification/standard Data81349-MIL-H-87111/6 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Unthreaded Mounting Hole Diameter0.095 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Specification/standard Data81349-MIL-H-87111/6 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Unthreaded Mounting Hole Diameter0.095 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.3900 lbs
Cube0.0190 cu ft
Verified Substitutes 6
No Item Name Available
5999-01-210-6429NAS4122-14B SUCCESSOR
Heat Sink,electrical-Electronic
Aerospace Industries Association of America, Inc Dba Aerospace Industries Association of American
5999-01-121-1194 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-210-8934 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-210-8935 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-210-9960 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cross-Reference Index
Part NumberManufacturer
MIL-H-87111/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/06-1A13 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5999-01-096-0265SUCCESSOR
NO ITEM NAME AVAILABLE
5999-01-210-6429SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4122-14B
5999-01-121-1194INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-210-8934INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-210-8935INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-210-9960INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5999-01-224-6302?

NSN 5999-01-224-6302 is a Heat Sink,electrical-Electronic, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-01-224-6302?

NSN 5999-01-224-6302 has 2 cross-referenced part numbers: MIL-H-87111/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/06-1A13 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5999-01-224-6302?

There are 6 known substitutes for 5999-01-224-6302: 5999-01-096-0265, 5999-01-210-6429, 5999-01-121-1194 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-H-87111/6?

Key specifications for MIL-H-87111/6: Material: ALUMINUM ALLOY; Surface Treatment: ANODIZE; Overall Length: 4.750 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-224-6302 still in active supply?

NSN 5999-01-224-6302 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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