PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

247AS-C1676-001Heat Sink,electrical-Electronic

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5999-01-013-7686 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-013-7686 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-013-7686. Primary manufacturer part number: 247AS-C1676-001.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Overall Diameter: 0.550 INCHES NOMINAL IN
  • Material Document and Classification: MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: COPPER ALLOY
  • Surface Treatment: OXIDE
  • Overall Diameter: 0.550 INCHES NOMINAL IN
  • Material Document and Classification: MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: COPPER ALLOY
Applications
  • Applications requiring Copper Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-013-7686, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-013-7686
Primary Part Number247AS-C1676-001
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Overall Diameter0.550 INCHES NOMINAL IN
Material Document and ClassificationMIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialCOPPER ALLOY
Surface TreatmentOXIDE
Overall Diameter0.550 INCHES NOMINAL IN
Material Document and ClassificationMIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialCOPPER ALLOY
Surface TreatmentOXIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-495-3887 (204)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 6
6625-00-495-3887204 SUCCESSOR
Voltmeter
Fluke Corp
6625-00-508-9887204 SUCCESSOR
Dolly,test Equipment
Tektronix, Inc.
Voltmeter
6625-01-255-0808101-71-11 SUCCESSOR
Voltmeter
Meggitt (orange County), Inc.
5998-00-209-6395 INTERCHANGEABLE
Circuit Card Assembly
5998-01-030-0697 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
0804672 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
247AS-C1676-001 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
204 Eg and G Wakefield Engineering (USA)
AZ0804672 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
Related Parts
SUCCESSOR 6625-00-495-3887 Voltmeter · 204
6625-00-508-9887SUCCESSOR
DOLLY,TEST EQUIPMENT
204
6625-00-542-0934SUCCESSOR
VOLTMETER
6625-01-255-0808SUCCESSOR
VOLTMETER
101-71-11
5998-00-209-6395INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5998-01-030-0697INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5999-01-013-7686?

NSN 5999-01-013-7686 is a Heat Sink,electrical-Electronic, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-013-7686?

NSN 5999-01-013-7686 has 4 cross-referenced part numbers: 0804672 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), 247AS-C1676-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 204 (Eg and G Wakefield Engineering), AZ0804672 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S).

What NSN replaces 5999-01-013-7686?

There are 6 known substitutes for 5999-01-013-7686: 6625-00-495-3887, 6625-00-508-9887, 6625-00-542-0934 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 247AS-C1676-001?

Key specifications for 247AS-C1676-001: Overall Diameter: 0.550 INCHES NOMINAL IN; Material Document and Classification: MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Height: 0.188 INCHES NOMINAL IN; Material: COPPER ALLOY. 10 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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