PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-17Lens,optical Instrument

J.j. Ross International Corporation Dba Rolyn Optics · NSN 6650-01-090-5108 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-090-5108 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-090-5108. Primary manufacturer part number: A-17.
Features
  • Lens,optical Instrument — FSC 6650
  • Axial Thickness: 15.6 MILLIMETERS NOMINAL MM
  • Front Focal Length: 7.500 CENTIMETERS CM
  • Material: GLASS
  • Refraction Index: 1.5230 NOMINAL
  • Diameter: 2.362 INCHES NOMINAL IN
  • Compound Lens Edge Thickness: 1.7 MILLIMETERS NOMINAL MM
  • Length: 60.0 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Glass construction
General Description

The Lens,optical Instrument, cataloged under National Stock Number 6650-01-090-5108, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is J.j. Ross International Corporation Dba Rolyn Optics. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN6650-01-090-5108
Primary Part NumberA-17
Item NameLens,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerJ.j. Ross International Corporation Dba Rolyn Optics
StatusACTIVE
Axial Thickness15.6 MILLIMETERS NOMINAL MM
Front Focal Length7.500 CENTIMETERS CM
MaterialGLASS
Refraction Index1.5230 NOMINAL
Diameter2.362 INCHES NOMINAL IN
Compound Lens Edge Thickness1.7 MILLIMETERS NOMINAL MM
Length60.0 MILLIMETERS NOMINAL MM
Single Lens StylePLANO-CONVEX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8455-00-127-5967 INTERCHANGEABLE
Insignia,shoulder Sleeve
5360-00-291-7062A17 INTERCHANGEABLE
Spring,helical,compression
Ashcroft Inc Dba Heise
5210-00-294-458742-8 INTERCHANGEABLE
Caliper,hermaphrodite
L.s. Starrett Company (the) Div Tool Division
5999-00-409-9270A17 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
5950-00-518-3982A-17 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
4730-00-541-6584A17 INTERCHANGEABLE
Clamp,hose
Emhart Industries Inc Hardware Div
5940-00-734-3920DS75 INTERCHANGEABLE
Splice,conductor
Dossert Corp
3510-00-956-7478 INTERCHANGEABLE
Light,amber,pilot
5962-01-032-2017 INTERCHANGEABLE
Microcircuit,linear
5996-01-090-8429 INTERCHANGEABLE
Amplifier,radio Frequency
Cross-Reference Index
Part NumberManufacturer
A-17 J.j. Ross International Corporation Dba Rolyn Optics (USA)
800582-1 Raytheon Company Dba Raytheon (USA)
Related Parts
8455-00-127-5967INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5360-00-291-7062INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A17
5210-00-294-4587INTERCHANGEABLE
CALIPER,HERMAPHRODITE
42-8
5999-00-409-9270INTERCHANGEABLE
HEATER,THERMAL RELEASE
A17
5950-00-518-3982INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
A-17
4730-00-541-6584INTERCHANGEABLE
CLAMP,HOSE
A17
5940-00-734-3920INTERCHANGEABLE
SPLICE,CONDUCTOR
DS75
3510-00-956-7478INTERCHANGEABLE
LIGHT,AMBER,PILOT
5962-01-032-2017INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5996-01-090-8429INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
5962-01-092-5758INTERCHANGEABLE
MICROCIRCUIT,LINEAR
583R154H30
5340-01-330-6428INTERCHANGEABLE
CATCH,CLAMPING

Frequently Asked Questions

What is NSN 6650-01-090-5108?

NSN 6650-01-090-5108 is a Lens,optical Instrument, manufactured by J.j. Ross International Corporation Dba Rolyn Optics, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-090-5108?

NSN 6650-01-090-5108 has 2 cross-referenced part numbers: A-17 (J.j. Ross International Corporation Dba Rolyn Optics), 800582-1 (Raytheon Company Dba Raytheon).

What NSN replaces 6650-01-090-5108?

There are 12 known substitutes for 6650-01-090-5108: 8455-00-127-5967, 5360-00-291-7062, 5210-00-294-4587 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-17?

Key specifications for A-17: Axial Thickness: 15.6 MILLIMETERS NOMINAL MM; Front Focal Length: 7.500 CENTIMETERS CM; Material: GLASS; Refraction Index: 1.5230 NOMINAL. 8 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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