PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6049-6406Heat Sink,electrical-Electronic

L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications · NSN 5999-00-497-4309 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-497-4309 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-497-4309. Primary manufacturer part number: 6049-6406.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Surface Treatment: CHROMATE
  • Material: ALUMINUM ALLOY
  • Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
  • Unthreaded Mounting Hole Diameter: 0.281 INCHES NOMINAL ALL MOUNTING FACILITIES IN
  • Surface Treatment Document and Classification: MIL-C-5541,TYPE 2,GRADE C MIL SPEC SINGLE TREATMENT RESPONSE
  • Surface Treatment: CHROMATE
  • Material: ALUMINUM ALLOY
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-497-4309, 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 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-497-4309
Primary Part Number6049-6406
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
StatusACTIVE
Surface TreatmentCHROMATE
MaterialALUMINUM ALLOY
Mounting Facility Type and Quantity6 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
Unthreaded Mounting Hole Diameter0.281 INCHES NOMINAL ALL MOUNTING FACILITIES IN
Surface Treatment Document and ClassificationMIL-C-5541,TYPE 2,GRADE C MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentCHROMATE
MaterialALUMINUM ALLOY
Mounting Facility Type and Quantity6 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
Unthreaded Mounting Hole Diameter0.281 INCHES NOMINAL ALL MOUNTING FACILITIES IN
Surface Treatment Document and ClassificationMIL-C-5541,TYPE 2,GRADE C MIL SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 11
5925-00-230-76296049-5706-1 INTERCHANGEABLE
Circuit Breaker
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5950-00-233-26806744-6034 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5950-00-233-2681SB8948-3307 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5950-00-419-14626049-3010 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5950-00-471-45686049-6012 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5950-00-481-81336049-6014 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5905-00-482-0453392-1607 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5925-00-484-76446049-5705 INTERCHANGEABLE
Circuit Breaker
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5925-00-484-76456049-5706-2 INTERCHANGEABLE
Circuit Breaker
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5950-00-492-20776049-6508-7 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
Cross-Reference Index
Part NumberManufacturer
6049-6406 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
EHH0166 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5925-00-230-7629INTERCHANGEABLE
CIRCUIT BREAKER
6049-5706-1
5950-00-233-2680INTERCHANGEABLE
COIL,RADIO FREQUENCY
6744-6034
5950-00-233-2681INTERCHANGEABLE
COIL,RADIO FREQUENCY
SB8948-3307
5950-00-419-1462INTERCHANGEABLE
TRANSFORMER,POWER
6049-3010
5950-00-471-4568INTERCHANGEABLE
REACTOR
6049-6012
5950-00-481-8133INTERCHANGEABLE
REACTOR
6049-6014
5905-00-482-0453INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
392-1607
5925-00-484-7644INTERCHANGEABLE
CIRCUIT BREAKER
6049-5705
5925-00-484-7645INTERCHANGEABLE
CIRCUIT BREAKER
6049-5706-2
5950-00-492-2077INTERCHANGEABLE
COIL,RADIO FREQUENCY
6049-6508-7
5925-00-572-6118INTERCHANGEABLE
CIRCUIT BREAKER
6049-5707

Frequently Asked Questions

What is NSN 5999-00-497-4309?

NSN 5999-00-497-4309 is a Heat Sink,electrical-Electronic, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-497-4309?

NSN 5999-00-497-4309 has 2 cross-referenced part numbers: 6049-6406 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), EHH0166 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 5999-00-497-4309?

There are 11 known substitutes for 5999-00-497-4309: 5925-00-230-7629, 5950-00-233-2680, 5950-00-233-2681 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6049-6406?

Key specifications for 6049-6406: Surface Treatment: CHROMATE; Material: ALUMINUM ALLOY; Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES; Unthreaded Mounting Hole Diameter: 0.281 INCHES NOMINAL ALL MOUNTING FACILITIES IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com