PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80798-1Heat Sink,electrical-Electronic

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5999-01-369-3874 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-369-3874 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-369-3874. Primary manufacturer part number: 80798-1.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: L3harris Technologies, Inc. Div Space and Airborne Systems
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 5999-01-369-3874, 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. Div Space and Airborne Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-369-3874
Primary Part Number80798-1
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 1
5940-00-436-1632FR4A-250 INTERCHANGEABLE
Terminal,quick Disconnect
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
80798-1 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5940-00-436-1632INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
FR4A-250

Frequently Asked Questions

What is NSN 5999-01-369-3874?

NSN 5999-01-369-3874 is a Heat Sink,electrical-Electronic, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-369-3874?

NSN 5999-01-369-3874 has 1 cross-referenced part number: 80798-1 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5999-01-369-3874?

There is 1 known substitute for 5999-01-369-3874: 5940-00-436-1632. Verify interchangeability with system specifications before substitution.

What are the specifications of 80798-1?

Key specifications for 80798-1: Special Features: DESIGNATED MARKINGS R12,R13,AND R31; Overall Length: 9.880 INCHES NOMINAL IN; Overall Width: 7.750 INCHES NOMINAL IN; Special Features: DESIGNATED MARKINGS R12,R13,AND R31. 6 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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