PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205CBHeat Sink,electrical-Electronic

Eg and G Wakefield Engineering · NSN 5999-01-475-4019 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-475-4019 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-475-4019. Primary manufacturer part number: 205CB.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Eg and G Wakefield Engineering
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-475-4019, 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 Eg and G Wakefield Engineering. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-475-4019
Primary Part Number205CB
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEg and G Wakefield Engineering
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-01-109-4987 (259869-1)
HAZMATNo
Shelf Life Code0
Criticality CodeBL
Unit of IssueEA
SMR CodeVM
Weight0.0125 lbs
Cube0.0060 cu ft
Verified Substitutes 3
5999-01-109-4987259869-1 SUCCESSOR
Heat Sink,electrical-Electronic
Varo Llc
5999-01-326-8159205CB SUCCESSOR
Heat Sink,electrical-Electronic
Goodrich Lighting Systems Inc
5999-01-033-5474 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cross-Reference Index
Part NumberManufacturer
205CB Eg and G Wakefield Engineering (USA)
134755PC27 Lockheed Martin Corp (USA)
Related Parts
SUCCESSOR 5999-01-109-4987 Heat Sink,electrical-Electronic · 259869-1
5999-01-326-8159SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
205CB
5999-01-033-5474INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5999-01-475-4019?

NSN 5999-01-475-4019 is a Heat Sink,electrical-Electronic, manufactured by Eg and G Wakefield Engineering, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-475-4019?

NSN 5999-01-475-4019 has 2 cross-referenced part numbers: 205CB (Eg and G Wakefield Engineering), 134755PC27 (Lockheed Martin Corp).

What NSN replaces 5999-01-475-4019?

There are 3 known substitutes for 5999-01-475-4019: 5999-01-109-4987, 5999-01-326-8159, 5999-01-033-5474. Verify interchangeability with system specifications before substitution.

What are the specifications of 205CB?

Key specifications for 205CB: Special Features: TRANSFER TO 9 COG JNL/J6R; 10-21-09.; Special Features: TRANSFER TO 9 COG JNL/J6R; 10-21-09.. 2 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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