PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E107Lens,optical Instrument

Unertl John Optical Co Inc · NSN 6650-01-459-6687 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-459-6687 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-459-6687. Primary manufacturer part number: E107.
Features
  • Lens,optical Instrument — FSC 6650
  • Single Lens Style: DOUBLE CONVEX
  • Diameter: 1.580 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Unertl John Optical Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lens,optical Instrument, cataloged under National Stock Number 6650-01-459-6687, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Unertl John Optical Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN6650-01-459-6687
Primary Part NumberE107
Item NameLens,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerUnertl John Optical Co Inc
StatusACTIVE
Single Lens StyleDOUBLE CONVEX
Diameter1.580 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-305-1189E107 INTERCHANGEABLE
Adapter,socket,plug-in Electroni
Whippany Actuation Systems, Llc
2805-00-422-620306048AB INTERCHANGEABLE
Valve,poppet,engine
Cnh Industrial America Llc Dba Cnh America
2920-00-592-6576C1551 INTERCHANGEABLE
Coil,magneto
Wells Mfg Corp Sub of Uis Inc
5330-00-599-9562 INTERCHANGEABLE
Gasket
3120-00-989-0060E107 INTERCHANGEABLE
Bushing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
3040-01-021-4872AH77100 INTERCHANGEABLE
Ball Joint
Deere & Company Dba Deere John Co
5961-01-108-8582E107 INTERCHANGEABLE
Transistor
Siliconix Incorporated Div Siliconix
6350-01-249-7287 INTERCHANGEABLE
Alarm-Monitor
Cross-Reference Index
Part NumberManufacturer
E107 PRIMARY Unertl John Optical Co Inc (USA)
Related Parts
5935-00-305-1189INTERCHANGEABLE
ADAPTER,SOCKET,PLUG-IN ELECTRONI
E107
2805-00-422-6203INTERCHANGEABLE
VALVE,POPPET,ENGINE
06048AB
2920-00-592-6576INTERCHANGEABLE
COIL,MAGNETO
C1551
5330-00-599-9562INTERCHANGEABLE
GASKET
3120-00-989-0060INTERCHANGEABLE
BUSHING,SLEEVE
E107
3040-01-021-4872INTERCHANGEABLE
BALL JOINT
AH77100
5961-01-108-8582INTERCHANGEABLE
TRANSISTOR
E107
6350-01-249-7287INTERCHANGEABLE
ALARM-MONITOR

Frequently Asked Questions

What is NSN 6650-01-459-6687?

NSN 6650-01-459-6687 is a Lens,optical Instrument, manufactured by Unertl John Optical Co Inc, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-459-6687?

NSN 6650-01-459-6687 has 1 cross-referenced part number: E107 (Unertl John Optical Co Inc).

What NSN replaces 6650-01-459-6687?

There are 8 known substitutes for 6650-01-459-6687: 5935-00-305-1189, 2805-00-422-6203, 2920-00-592-6576 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E107?

Key specifications for E107: Single Lens Style: DOUBLE CONVEX; Diameter: 1.580 INCHES NOMINAL IN; End Item Identification: SNIPER SCOPE, MODEL C3. 3 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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