PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6016CHeat Sink,electrical-Electronic

Thermalloy Co Inc · NSN 5999-01-249-7173 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-249-7173 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-249-7173. Primary manufacturer part number: 6016C.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Unthreaded Mounting Hole Diameter: 0.188 INCHES NOMINAL FIRST MOUNTING FACILITY IN
  • Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material: ALUMINUM ALLOY 6063
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
  • Unthreaded Mounting Hole Diameter: 0.218 INCHES NOMINAL SECOND MOUNTING FACILITY IN
  • Surface Treatment: CHROMATE
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Applications
  • Applications requiring Aluminum Alloy 6063 construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-249-7173, 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 Thermalloy Co Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-249-7173
Primary Part Number6016C
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerThermalloy Co Inc
StatusACTIVE
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Surface Treatment Document and ClassificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6063
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.218 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Surface TreatmentCHROMATE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Material Document and ClassificationQQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Surface Treatment Document and ClassificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6063
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.218 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Surface TreatmentCHROMATE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Material Document and ClassificationQQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0550 lbs
Cube0.0061 cu ft
Verified Substitutes 1
5120-01-400-0241 INTERCHANGEABLE
Wrench,torque
Cross-Reference Index
Part NumberManufacturer
6016C Thermalloy Co Inc (USA)
Related Parts
5120-01-400-0241INTERCHANGEABLE
WRENCH,TORQUE

Frequently Asked Questions

What is NSN 5999-01-249-7173?

NSN 5999-01-249-7173 is a Heat Sink,electrical-Electronic, manufactured by Thermalloy Co Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-249-7173?

NSN 5999-01-249-7173 has 1 cross-referenced part number: 6016C (Thermalloy Co Inc).

What NSN replaces 5999-01-249-7173?

There is 1 known substitute for 5999-01-249-7173: 5120-01-400-0241. Verify interchangeability with system specifications before substitution.

What are the specifications of 6016C?

Key specifications for 6016C: Unthreaded Mounting Hole Diameter: 0.188 INCHES NOMINAL FIRST MOUNTING FACILITY IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE; Material: ALUMINUM ALLOY 6063; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY. 22 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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