PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5803-G2Borescope

Lenox Instrument Co., Inc. · NSN 6650-00-438-3982 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-00-438-3982 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-438-3982. Primary manufacturer part number: 5803-G2.
Features
  • Borescope — FSC 6650
  • 4 verified cross-references
  • 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 6650-00-438-3982, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-00-438-3982
Primary Part Number5803-G2
Item NameBorescope
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerLenox Instrument Co., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-062-6608 INTERCHANGEABLE
Connector,receptacle,electrical
6685-00-068-7823150360 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6515-00-117-84165803 INTERCHANGEABLE
Condom
Ansell Inc. Dba Ansell Alabama
5999-00-224-58335803 INTERCHANGEABLE
Contact,electrical
Aimtron Systems, Llc
3655-00-421-4344 INTERCHANGEABLE
Tank,storage,liquid Argon-Nitrog
6685-00-553-4683130109 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Ametek, Inc. Div Aerospace & Defense
4930-01-104-09365803 INTERCHANGEABLE
Adapter,grease Gun Coupling
Mcneil Ohio Corp
4730-01-169-05905803-2IN INTERCHANGEABLE
Coupling,pipe
Nibco Inc Chemtrol Div
5342-01-187-3559DS-936490 INTERCHANGEABLE
Coupling,clamp,grooved
Eaton Aerospace, Llc Dba Jackson South
5935-01-324-8972 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
6798917 Rolls-Royce Corporation (USA)
6798917 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
5803-G2 PRIMARY Lenox Instrument Co., Inc. (USA)
5803 Lenox Instrument Co., Inc. (USA)
Related Parts
5935-00-062-6608INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6685-00-068-7823INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
150360
6515-00-117-8416INTERCHANGEABLE
CONDOM
5803
5999-00-224-5833INTERCHANGEABLE
CONTACT,ELECTRICAL
5803
3655-00-421-4344INTERCHANGEABLE
TANK,STORAGE,LIQUID ARGON-NITROG
6685-00-553-4683INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
130109
4930-01-104-0936INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
5803
4730-01-169-0590INTERCHANGEABLE
COUPLING,PIPE
5803-2IN
5342-01-187-3559INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
DS-936490
5935-01-324-8972INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4720-01-328-1079INTERCHANGEABLE
HOSE,NONMETALLIC
5803
4320-01-378-8988INTERCHANGEABLE
ADAPTER,PUMP
5803

Frequently Asked Questions

What is NSN 6650-00-438-3982?

NSN 6650-00-438-3982 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 6650-00-438-3982?

NSN 6650-00-438-3982 has 4 cross-referenced part numbers: 6798917 (Rolls-Royce Corporation), 6798917 (Allison Transmission Inc Dba Allison Transmission, Inc), 5803-G2 (Lenox Instrument Co., Inc.), 5803 (Lenox Instrument Co., Inc.).

What NSN replaces 6650-00-438-3982?

There are 12 known substitutes for 6650-00-438-3982: 5935-00-062-6608, 6685-00-068-7823, 6515-00-117-8416 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5803-G2?

Key specifications for 5803-G2: Special Features: DESIGNED TO INSPECT FIRST STAGE TURBO VANES AND FIRST STAGE BLADES; 20.688 IN. ASSEMBLED LG; BORE SIZE ACCOMMODATED ,2.25 IN. MAX LG, 0.350 IN. MIN DIA, 0.360 IN. MAX DIA, 55 DEG PRISM HEAD; ELECTRICAL OPERATING DATA, AC,DC,115 V,60 HZ, 7.5 V LAMP, LAMP NOT RATED FOR AMP; W/CARRYING CASE, ACCESSORIES AND OR ATTACHMENTS, BATTERY PACK 1, LAMP 51, TRANSFORMER 1 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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