PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5823Borescope

Lenox Instrument Co., Inc. · NSN 6650-00-146-3239 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-00-146-3239 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-146-3239. Primary manufacturer part number: 5823.
Features
  • Borescope — FSC 6650
  • 1 verified cross-reference
  • Primary manufacturer: Lenox Instrument Co., Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Borescope, cataloged under National Stock Number 6650-00-146-3239, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lenox Instrument Co., Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-00-146-3239
Primary Part Number5823
Item NameBorescope
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerLenox Instrument Co., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5960-00-248-3078 INTERCHANGEABLE
Electron Tube
5950-00-519-79045823 INTERCHANGEABLE
Transformer,power
Instruments and Flight Research, Inc.
5310-00-575-56925823 INTERCHANGEABLE
Nut,plain,hexagon
Eaton Corp Transmission Div
5310-00-591-31728344 INTERCHANGEABLE
Nut,self-Locking,cone Seat,hexag
Eaton Corp Transmission Div
5960-00-617-8975 INTERCHANGEABLE
Electron Tube
1620-00-718-67845823-5 INTERCHANGEABLE
Nut,uplock Spring B
Goodrich Aerospace Canada Ltd
5305-00-810-6621 INTERCHANGEABLE
Screw,externally Relieved Body
8140-01-385-7025582-3 INTERCHANGEABLE
Plate,wear,shipping and Storage
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
5823 PRIMARY Lenox Instrument Co., Inc. (USA)
Related Parts
5960-00-248-3078INTERCHANGEABLE
ELECTRON TUBE
5950-00-519-7904INTERCHANGEABLE
TRANSFORMER,POWER
5823
5310-00-575-5692INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5823
5310-00-591-3172INTERCHANGEABLE
NUT,SELF-LOCKING,CONE SEAT,HEXAG
8344
5960-00-617-8975INTERCHANGEABLE
ELECTRON TUBE
1620-00-718-6784INTERCHANGEABLE
NUT,UPLOCK SPRING B
5823-5
5305-00-810-6621INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
8140-01-385-7025INTERCHANGEABLE
PLATE,WEAR,SHIPPING AND STORAGE
582-3

Frequently Asked Questions

What is NSN 6650-00-146-3239?

NSN 6650-00-146-3239 is a Borescope, manufactured by Lenox Instrument Co., Inc., classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-00-146-3239?

NSN 6650-00-146-3239 has 1 cross-referenced part number: 5823 (Lenox Instrument Co., Inc.).

What NSN replaces 6650-00-146-3239?

There are 8 known substitutes for 6650-00-146-3239: 5960-00-248-3078, 5950-00-519-7904, 5310-00-575-5692 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5823?

Key specifications for 5823: Special Features: 1.750 IN. DIA; ONE 1.750 IN. DIA EYE PIECE SECTION; ONE 1.750 IN. DIA OBJECTICE SECTION; TWO 5 FT EXTENDER SECTIONS; ONE RIGHT ANGLE PRISM HEAD; ONE FITTED WOODEN INSTRUMENT CASE; ONE TRANSFORMER UNIT W/CABLES; THREE SPARE 10 V/7.5 AMP LAMPS V. 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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