PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13084663Heat Sink,electrical-Electronic

Lockheed Martin Corporation · NSN 5999-01-212-0409 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-212-0409 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-212-0409. Primary manufacturer part number: 13084663.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Overall Diameter: 0.275 INCHES NOMINAL IN
  • Unthreaded Mounting Hole Diameter: 0.025 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Material: PLASTIC POLYAMIDE NYLON
  • Overall Diameter: 0.275 INCHES NOMINAL IN
  • Unthreaded Mounting Hole Diameter: 0.025 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Applications
  • Applications requiring Plastic Polyamide Nylon construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-212-0409, 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 Lockheed Martin Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-212-0409
Primary Part Number13084663
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation
StatusACTIVE
Overall Diameter0.275 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.025 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
MaterialPLASTIC POLYAMIDE NYLON
Overall Diameter0.275 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.025 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
MaterialPLASTIC POLYAMIDE NYLON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeXN
Verified Substitutes 5
5999-00-258-88511585380 SUCCESSOR
Cap,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-366-81081321-1003 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
4930-00-671-8086E4622 INTERCHANGEABLE
Adapter,pressure Fuel Servicing
The Boeing Company Div Legacy Am&m
5998-01-533-31192017 INTERCHANGEABLE
Circuit Card Assembly
Apogee Labs Inc
6515-01-578-0980208.050 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
2017 Teknational Thermal Insulation and Hardware, Inc (USA)
208-050 Bivar Inc (USA)
13084663 Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah (USA)
13084663 PRIMARY Lockheed Martin Corporation (USA)
Related Parts
5999-00-258-8851SUCCESSOR
CAP,ELECTRICAL
1585380
5999-00-366-8108INTERCHANGEABLE
CONTACT,ELECTRICAL
1321-1003
4930-00-671-8086INTERCHANGEABLE
ADAPTER,PRESSURE FUEL SERVICING
E4622
5998-01-533-3119INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2017
6515-01-578-0980INTERCHANGEABLE
SCREW,BONE
208.050

Frequently Asked Questions

What is NSN 5999-01-212-0409?

NSN 5999-01-212-0409 is a Heat Sink,electrical-Electronic, manufactured by Lockheed Martin Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-212-0409?

NSN 5999-01-212-0409 has 4 cross-referenced part numbers: 2017 (Teknational Thermal Insulation and Hardware, Inc), 208-050 (Bivar Inc), 13084663 (Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah), 13084663 (Lockheed Martin Corporation).

What NSN replaces 5999-01-212-0409?

There are 5 known substitutes for 5999-01-212-0409: 5999-00-258-8851, 5999-00-366-8108, 4930-00-671-8086 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13084663?

Key specifications for 13084663: Overall Diameter: 0.275 INCHES NOMINAL IN; Overall Height: 0.050 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.025 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. 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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