PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6418-1Heat Sink,electrical-Electronic

Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components · NSN 5999-01-120-0958 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-120-0958 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-120-0958. Primary manufacturer part number: 6418-1.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material: BERYLLIUM AND COPPER
  • Material: BERYLLIUM AND COPPER
  • 3 verified cross-references
  • Primary manufacturer: Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
Applications
  • Applications requiring Beryllium and Copper construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-120-0958, 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 Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5999-01-120-0958
Primary Part Number6418-1
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
StatusACTIVE
MaterialBERYLLIUM AND COPPER
MaterialBERYLLIUM AND COPPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeY
Verified Substitutes 5
5935-00-295-6485 INTERCHANGEABLE
Connector,receptacle,electrical
5915-00-478-32772921066-81 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6220-01-262-690264181 INTERCHANGEABLE
Headlight
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5340-01-384-20165340013842016 INTERCHANGEABLE
Lock,office Machine
National Industries for the Blind
5330-01-412-40506418-1 INTERCHANGEABLE
Seal,plain Encased
Ingersoll-Rand Co Material Handling Div
Cross-Reference Index
Part NumberManufacturer
11778503 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
9800-00020 Bae Systems (operations) Limited (GBR)
6418-1 PRIMARY Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (USA)
Related Parts
5935-00-295-6485INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5915-00-478-3277INTERCHANGEABLE
FILTER,BAND PASS
2921066-81
6220-01-262-6902INTERCHANGEABLE
HEADLIGHT
64181
5340-01-384-2016INTERCHANGEABLE
LOCK,OFFICE MACHINE
5340013842016
5330-01-412-4050INTERCHANGEABLE
SEAL,PLAIN ENCASED
6418-1

Frequently Asked Questions

What is NSN 5999-01-120-0958?

NSN 5999-01-120-0958 is a Heat Sink,electrical-Electronic, manufactured by Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-120-0958?

NSN 5999-01-120-0958 has 3 cross-referenced part numbers: 11778503 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 9800-00020 (Bae Systems (operations) Limited), 6418-1 (Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components).

What NSN replaces 5999-01-120-0958?

There are 5 known substitutes for 5999-01-120-0958: 5935-00-295-6485, 5915-00-478-3277, 6220-01-262-6902 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6418-1?

Key specifications for 6418-1: End Item Identification: ABG422,AIR DATA SUBSYS,COBRA; Overall Length: 0.6400 INCHES NOMINAL IN; Overall Height: 0.3600 INCHES NOMINAL IN; Material: BERYLLIUM AND COPPER. 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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