PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

741105-AHeat Sink-Insulator

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5999-01-462-9848 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-462-9848 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-462-9848. Primary manufacturer part number: 741105-A.
Features
  • Heat Sink-Insulator — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-462-9848, 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 Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHeat Sink-Insulator
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (CAGE 30086)
Technical Specifications
ParameterValue
NSN5999-01-462-9848
Primary Part Number741105-A
Item NameHeat Sink-Insulator
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight0.0900 lbs
Cube0.0061 cu ft
Verified Substitutes 7
4730-00-488-5905820-22 INTERCHANGEABLE
Clamp,hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5935-00-993-29494087-0003 INTERCHANGEABLE
Adapter,connector
Sv Microwave, Inc. Div Sv Microwave
9905-01-193-0960081611 INTERCHANGEABLE
Plate,number
Abd Intl Inc Dba Abdick
5305-01-377-928881611 INTERCHANGEABLE
Screw,machine
Exceltec Intl Corp
5640-01-432-0921 INTERCHANGEABLE
Insulation Block,thermal
3120-01-438-4914 INTERCHANGEABLE
Bushing,sleeve
6220-01-497-68788161-1 INTERCHANGEABLE
Light,navigational,aircraft
Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh
Cross-Reference Index
Part NumberManufacturer
741105-A PRIMARY L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
8-16-11 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
4730-00-488-5905INTERCHANGEABLE
CLAMP,HOSE
820-22
5935-00-993-2949INTERCHANGEABLE
ADAPTER,CONNECTOR
4087-0003
9905-01-193-0960INTERCHANGEABLE
PLATE,NUMBER
081611
5305-01-377-9288INTERCHANGEABLE
SCREW,MACHINE
81611
5640-01-432-0921INTERCHANGEABLE
INSULATION BLOCK,THERMAL
3120-01-438-4914INTERCHANGEABLE
BUSHING,SLEEVE
6220-01-497-6878INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
8161-1

Frequently Asked Questions

What is NSN 5999-01-462-9848?

NSN 5999-01-462-9848 is a Heat Sink-Insulator, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-462-9848?

NSN 5999-01-462-9848 has 2 cross-referenced part numbers: 741105-A (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 8-16-11 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5999-01-462-9848?

There are 7 known substitutes for 5999-01-462-9848: 4730-00-488-5905, 5935-00-993-2949, 9905-01-193-0960 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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