PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS4119A44BHeat Sink,electrical-Electronic

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5999-01-320-7867 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-320-7867 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-320-7867. Primary manufacturer part number: NAS4119A44B.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
  • Surface Treatment: ANODIZE
  • Material Document and Classification: QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
  • Unthreaded Mounting Hole Diameter: 0.317 INCHES NOMINAL SECOND MOUNTING FACILITY IN
  • Test Data Document: 81349-MIL-H-87111/3 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: ALUMINUM OR ALUMINUM ALLOY
Applications
  • Applications requiring Aluminum or Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-320-7867, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5999-01-320-7867
Primary Part NumberNAS4119A44B
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
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Surface TreatmentANODIZE
Material Document and ClassificationQQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Unthreaded Mounting Hole Diameter0.317 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Test Data Document81349-MIL-H-87111/3 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.).
MaterialALUMINUM OR ALUMINUM ALLOY
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Overall Diameter0.750 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Surface TreatmentANODIZE
Material Document and ClassificationQQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Unthreaded Mounting Hole Diameter0.317 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Test Data Document81349-MIL-H-87111/3 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.).
MaterialALUMINUM OR ALUMINUM ALLOY
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Overall Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-01-083-6304
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0200 lbs
Cube0.0000 cu ft
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
MIL-H-87111/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/03-1A44 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NAS4119 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS4119A44B PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
SUCCESSOR 5999-01-083-6304 Heat Sink,electrical-Electronic
5999-01-087-3493SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-208-7299SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-211-6670SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-212-0408SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-212-1101SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-215-6876SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-216-2400SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-217-3653SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-217-3654SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-224-6301SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-229-3276SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5999-01-320-7867?

NSN 5999-01-320-7867 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 5999-01-320-7867?

NSN 5999-01-320-7867 has 4 cross-referenced part numbers: MIL-H-87111/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/03-1A44 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS4119 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS4119A44B (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5999-01-320-7867?

There are 12 known substitutes for 5999-01-320-7867: 5999-01-083-6304, 5999-01-087-3493, 5999-01-208-7299 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS4119A44B?

Key specifications for NAS4119A44B: Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Surface Treatment: ANODIZE; Material Document and Classification: QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: 5855-01-281-9700 EQUIPMENT SET,N. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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