PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100663Thermal Imaging System

L3 Technologies, Inc. Div L3 Keo · NSN 5855-01-689-6309 · FSC 5855 · No Item Name Available
Verified by PartsTable
NSN 5855-01-689-6309 — this item is cataloged by the U.S. Government under National Stock Number 5855-01-689-6309. Primary manufacturer part number: 100663.
Features
  • Thermal Imaging System — FSC 5855
  • 2 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div L3 Keo
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermal Imaging System, cataloged under National Stock Number 5855-01-689-6309, is classified within Federal Supply Class 5855 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5855-01-689-6309
Primary Part Number100663
Item NameThermal Imaging System
FSC / FSG5855 / 58 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-005-2518920012-32 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
3030-00-204-2071A71 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5305-00-297-8657100663 INTERCHANGEABLE
Screw,machine
General Motors Llc Dba General Motors Llc
6150-00-824-7051 INTERCHANGEABLE
End Bell,electrical Rotating Equ
4130-01-173-8524100663 INTERCHANGEABLE
Containment Ring
Walker Power Systems, Inc. Dba Tiernay Turbines
4710-01-221-2561100663 INTERCHANGEABLE
Tube,strut
Bae Systems Land & Armaments L.p.
6520-01-601-6719100-663 INTERCHANGEABLE
Arch Wire,dental
Ortho Organizers Inc
Cross-Reference Index
Part NumberManufacturer
100663 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
8522503 SHEET 1 Naval Sea Systems Command (USA)
Related Parts
5950-00-005-2518INTERCHANGEABLE
COIL,RADIO FREQUENCY
920012-32
3030-00-204-2071INTERCHANGEABLE
BELT,V
A71
5305-00-297-8657INTERCHANGEABLE
SCREW,MACHINE
100663
6150-00-824-7051INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
4130-01-173-8524INTERCHANGEABLE
CONTAINMENT RING
100663
4710-01-221-2561INTERCHANGEABLE
TUBE,STRUT
100663
6520-01-601-6719INTERCHANGEABLE
ARCH WIRE,DENTAL
100-663

Frequently Asked Questions

What is NSN 5855-01-689-6309?

NSN 5855-01-689-6309 is a Thermal Imaging System, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5855 (No Item Name Available). Status: active.

What are the part numbers for NSN 5855-01-689-6309?

NSN 5855-01-689-6309 has 2 cross-referenced part numbers: 100663 (L3 Technologies, Inc. Div L3 Keo), 8522503 SHEET 1 (Naval Sea Systems Command).

What NSN replaces 5855-01-689-6309?

There are 7 known substitutes for 5855-01-689-6309: 5950-00-005-2518, 3030-00-204-2071, 5305-00-297-8657 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100663?

Key specifications for 100663: Part Name Assigned by Controlling Agency: THERMAL IMAGING SEN. 1 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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