PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-H-87111/5Heat Sink,electrical-Electronic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5999-01-416-4384 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-416-4384 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-416-4384. Primary manufacturer part number: MIL-H-87111/5.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Material Document and Classification: QQ-A-200 FED STD SINGLE MATERIAL RESPONSE OR QQ-A-250 FED STD SINGLE MATERIAL RESPONSE
  • Unthreaded Mounting Hole Diameter: 0.152 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Surface Treatment Document and Classification: MIL-A-8625 TYPE 1 OR 2 MIL SPEC SINGLE TREATMENT RESPONSE
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6063
  • Accommodated Device Mounting Hole Quantity: 2
Applications
  • Applications requiring Aluminum Alloy 3003 or Aluminum Alloy 5052 or Aluminum Alloy 1100 or Aluminum Alloy 2024 or Aluminum Alloy 6061 or Aluminum Alloy 6063 construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-416-4384, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-416-4384
Primary Part NumberMIL-H-87111/5
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
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Material Document and ClassificationQQ-A-200 FED STD SINGLE MATERIAL RESPONSE OR QQ-A-250 FED STD SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.152 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Surface Treatment Document and ClassificationMIL-A-8625 TYPE 1 OR 2 MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6063
Accommodated Device Mounting Hole Quantity2
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Material Document and ClassificationQQ-A-200 FED STD SINGLE MATERIAL RESPONSE OR QQ-A-250 FED STD SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.152 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Surface Treatment Document and ClassificationMIL-A-8625 TYPE 1 OR 2 MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6063
Accommodated Device Mounting Hole Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight3.0000 lbs
Cube0.0156 cu ft
Verified Substitutes 12
No Item Name Available
5999-01-395-2474NAS4117C51 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-183-9737NAS4121-016B SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-209-0650NAS4121-017B SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-286-7295NAS4121-291B SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-423-6866NAS4121-117B SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-105-4991 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-202-9730 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-202-9731 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-203-6128 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cross-Reference Index
Part NumberManufacturer
MIL-H-87111/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/05-1A372 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-87111/5-1A372 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-87111 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/05 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5999-01-389-1179SUCCESSOR
NO ITEM NAME AVAILABLE
5999-01-395-2474SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C51
5999-01-183-9737SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4121-016B
5999-01-209-0650SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4121-017B
5999-01-286-7295SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4121-291B
5999-01-423-6866SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4121-117B
5999-01-105-4991INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-202-9730INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-202-9731INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-203-6128INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-203-6130INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-204-3731INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5999-01-416-4384?

NSN 5999-01-416-4384 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 5999-01-416-4384?

NSN 5999-01-416-4384 has 5 cross-referenced part numbers: MIL-H-87111/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/05-1A372 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-87111/5-1A372 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-87111 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/05 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5999-01-416-4384?

There are 12 known substitutes for 5999-01-416-4384: 5999-01-389-1179, 5999-01-395-2474, 5999-01-183-9737 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-H-87111/5?

Key specifications for MIL-H-87111/5: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Material Document and Classification: QQ-A-200 FED STD SINGLE MATERIAL RESPONSE OR QQ-A-250 FED STD SINGLE MATERIAL RESPONSE; Overall Height: 1.062 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.152 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-416-4384 still in active supply?

NSN 5999-01-416-4384 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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