PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS4118F15CHeat Sink,electrical-Electronic

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5999-01-498-4393 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-498-4393 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-498-4393. Primary manufacturer part number: NAS4118F15C.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Body Style: THERMAL LINK
  • 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.).
  • Material: COPPER ALLOY
  • Surface Treatment: PASSIVATE OR ANODIZE
  • Specification/standard Data: 81349-MIL-H-87111/2 GOVERNMENT STANDARD
  • Mounting Facility Type and Quantity: 1 CLIP SINGLE MOUNTING FACILITY
  • Body Style: THERMAL LINK
Applications
  • Applications requiring Copper Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-498-4393, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-498-4393
Primary Part NumberNAS4118F15C
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
StatusACTIVE
Body StyleTHERMAL LINK
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.).
MaterialCOPPER ALLOY
Surface TreatmentPASSIVATE OR ANODIZE
Specification/standard Data81349-MIL-H-87111/2 GOVERNMENT STANDARD
Mounting Facility Type and Quantity1 CLIP SINGLE MOUNTING FACILITY
Body StyleTHERMAL LINK
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.).
MaterialCOPPER ALLOY
Surface TreatmentPASSIVATE OR ANODIZE
Specification/standard Data81349-MIL-H-87111/2 GOVERNMENT STANDARD
Mounting Facility Type and Quantity1 CLIP SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-01-105-4991
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.1000 lbs
Cube0.0087 cu ft
Verified Substitutes 12
Heat Sink,electrical-Electronic
5999-01-173-3176NAS4118E01K SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-174-3168NAS4118E05H SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Heat Sink,electrical-Electronic
5999-01-211-1617NAS4118F12D SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Heat Sink,electrical-Electronic
Heat Sink,electrical-Electronic
5999-01-216-8588NAS4118E16C SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-230-4542NAS4118F12H SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Heat Sink,electrical-Electronic
Cross-Reference Index
Part NumberManufacturer
MIL-H-87111/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/02-3B15 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)
NAS4118F15C PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS4118-F15C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NAS4118 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5999-01-105-4991 Heat Sink,electrical-Electronic
5999-01-173-3176SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4118E01K
5999-01-174-3168SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4118E05H
5999-01-211-1616SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-211-1617SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4118F12D
5999-01-211-1618SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-213-8644SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-216-8588SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4118E16C
5999-01-230-4542SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4118F12H
5999-01-246-9666SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-276-1197SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-297-0849SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5999-01-498-4393?

NSN 5999-01-498-4393 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: active.

What are the part numbers for NSN 5999-01-498-4393?

NSN 5999-01-498-4393 has 6 cross-referenced part numbers: MIL-H-87111/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/02-3B15 (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), NAS4118F15C (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS4118-F15C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5999-01-498-4393?

There are 12 known substitutes for 5999-01-498-4393: 5999-01-105-4991, 5999-01-173-3176, 5999-01-174-3168 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS4118F15C?

Key specifications for NAS4118F15C: Body Style: THERMAL LINK; 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.).; Material: COPPER ALLOY; Surface Treatment: PASSIVATE OR ANODIZE. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com