PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3224BHeat Sink,electrical-Electronic

Boyd Laconia Llc · NSN 5999-01-249-7174 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-249-7174 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-249-7174. Primary manufacturer part number: 3224B.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • 6 verified cross-references
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-249-7174, 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 Boyd Laconia Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN5999-01-249-7174
Primary Part Number3224B
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerBoyd Laconia Llc
StatusACTIVE
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY
Overall Diameter0.500 INCHES NOMINAL IN
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY
Overall Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0500 lbs
Cube0.0005 cu ft
Verified Substitutes 3
1620-00-256-61903224-00 INTERCHANGEABLE
Fork Assy
Avox Systems Inc Dba Avox Systems Inc
6120-00-889-5880 INTERCHANGEABLE
Power Supply
2910-01-434-3337322400 INTERCHANGEABLE
Nozzle,fuel Injection
Kohler Co.
Cross-Reference Index
Part NumberManufacturer
322400 Boyd Laconia Llc (USA)
3224B Aavid Thermalloy Llc (USA)
322400 Aavid Thermalloy Llc (USA)
3224B PRIMARY Boyd Laconia Llc (USA)
28485-00509 Leonardo Uk Ltd (GBR)
28485-00509 Leonardo Mw Ltd (GBR)
Related Parts
1620-00-256-6190INTERCHANGEABLE
FORK ASSY
3224-00
6120-00-889-5880INTERCHANGEABLE
POWER SUPPLY
2910-01-434-3337INTERCHANGEABLE
NOZZLE,FUEL INJECTION
322400

Frequently Asked Questions

What is NSN 5999-01-249-7174?

NSN 5999-01-249-7174 is a Heat Sink,electrical-Electronic, manufactured by Boyd Laconia Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-249-7174?

NSN 5999-01-249-7174 has 6 cross-referenced part numbers: 322400 (Boyd Laconia Llc), 3224B (Aavid Thermalloy Llc), 322400 (Aavid Thermalloy Llc), 3224B (Boyd Laconia Llc), 28485-00509 (Leonardo Uk Ltd) and 1 more.

What NSN replaces 5999-01-249-7174?

There are 3 known substitutes for 5999-01-249-7174: 1620-00-256-6190, 6120-00-889-5880, 2910-01-434-3337. Verify interchangeability with system specifications before substitution.

What are the specifications of 3224B?

Key specifications for 3224B: Special Features: FOR T0-18 AND 10-92 TRANSISTOR CASES; Surface Treatment: ANODIZE; Material: ALUMINUM ALLOY; Overall Height: 0.225 INCHES NOMINAL IN. 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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