PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS4118E16CHeat Sink,electrical-Electronic

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5999-01-216-8588 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-216-8588 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-216-8588. Primary manufacturer part number: NAS4118E16C.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Specification/standard Data: 80205-NAS4118E16C MANUFACTURERS STANDARD
  • Overall Diameter: 0.380 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Test Data Document: 80205-NAS4118E16C STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Applications
  • Applications requiring Copper Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-216-8588, 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 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, 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
NSN5999-01-216-8588
Primary Part NumberNAS4118E16C
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY A
Specification/standard Data80205-NAS4118E16C MANUFACTURERS STANDARD
Overall Diameter0.380 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Test Data Document80205-NAS4118E16C STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Surface TreatmentCHROMATE
Thread Class2A SINGLE MOUNTING FACILITY A
Specification/standard Data80205-NAS4118E16C MANUFACTURERS STANDARD
Overall Diameter0.380 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Test Data Document80205-NAS4118E16C STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Surface TreatmentCHROMATE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5999-01-105-4991
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Verified Substitutes 12
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
Cross-Reference Index
Part NumberManufacturer
M87111/02-2A16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/02-2B16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-87111/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NAS4118 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS4118E16C PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
SUCCESSOR 5999-01-105-4991 Heat Sink,electrical-Electronic
5999-01-211-1616SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-211-1618SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-213-8644SUCCESSOR
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5999-01-246-9666SUCCESSOR
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5999-01-276-1197SUCCESSOR
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5999-01-297-0849SUCCESSOR
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5999-01-324-0542SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-326-8182SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-339-2090SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-353-2805SUCCESSOR
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5999-01-413-8580SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5999-01-216-8588?

NSN 5999-01-216-8588 is a Heat Sink,electrical-Electronic, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-01-216-8588?

NSN 5999-01-216-8588 has 5 cross-referenced part numbers: M87111/02-2A16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/02-2B16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-87111/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS4118 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS4118E16C (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5999-01-216-8588?

There are 12 known substitutes for 5999-01-216-8588: 5999-01-105-4991, 5999-01-211-1616, 5999-01-211-1618 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS4118E16C?

Key specifications for NAS4118E16C: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Thread Class: 2A SINGLE MOUNTING FACILITY A; Specification/standard Data: 80205-NAS4118E16C MANUFACTURERS STANDARD; Overall Diameter: 0.380 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-216-8588 still in active supply?

NSN 5999-01-216-8588 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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