PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-16Heat Sink,electrical-Electronic

General Dynamics Mission Systems, Inc. Dba Gdms · NSN 5999-00-481-8681 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-481-8681 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-481-8681. Primary manufacturer part number: 1-16.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 4 verified cross-references
  • Primary manufacturer: General Dynamics Mission Systems, Inc. Dba Gdms
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 5999-00-481-8681, 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 General Dynamics Mission Systems, Inc. Dba Gdms. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Catalog Facts
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersGeneral Dynamics Mission Systems, Inc. Dba Gdms (CAGE 1VPW8); Motorola Inc. Dba Integrated Information Systems Group (CAGE 94990)
Successor NSN6625-00-329-2961 — Generator,signal
Technical Specifications
ParameterValue
NSN5999-00-481-8681
Primary Part Number1-16
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc. Dba Gdms
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-914-4113 (3018 MODEL 310)
HAZMATNo
Shelf Life Code0
Criticality Code1
Unit of IssueEA
SMR CodeJZ
Weight0.0700 lbs
Cube0.0289 cu ft
Verified Substitutes 2
Generator,signal
6625-00-914-41133018 MODEL 310 SUCCESSOR
Multimeter
Triplett (bluffton) Corporation Dba Lfe Instruments
Cross-Reference Index
Part NumberManufacturer
1-16 PRIMARY General Dynamics Mission Systems, Inc. Dba Gdms (USA)
48C44359A02 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
48C44359A02 Motorola Inc. Dba Integrated Information Systems Group (USA)
1-16 Motorola Inc. Dba Integrated Information Systems Group (USA)
Related Parts
SUCCESSOR 6625-00-914-4113 Multimeter · 3018 MODEL 310
6625-00-329-2961SUCCESSOR
GENERATOR,SIGNAL

Frequently Asked Questions

What is NSN 5999-00-481-8681?

NSN 5999-00-481-8681 is a Heat Sink,electrical-Electronic, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-481-8681?

NSN 5999-00-481-8681 has 4 cross-referenced part numbers: 1-16 (General Dynamics Mission Systems, Inc. Dba Gdms), 48C44359A02 (General Dynamics Mission Systems, Inc. Dba Gdms), 48C44359A02 (Motorola Inc. Dba Integrated Information Systems Group), 1-16 (Motorola Inc. Dba Integrated Information Systems Group).

What NSN replaces 5999-00-481-8681?

There are 2 known substitutes for 5999-00-481-8681: 6625-00-329-2961, 6625-00-914-4113. Verify interchangeability with system specifications before substitution.

Is NSN 5999-00-481-8681 still in active supply?

NSN 5999-00-481-8681 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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