PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3356AS930-1Eyepiece Assembly,optical Instru

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 6650-01-366-1617 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-366-1617 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-366-1617. Primary manufacturer part number: 3356AS930-1.
Features
  • Eyepiece Assembly,optical Instru — FSC 6650
  • 4 verified cross-references
  • Primary manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Eyepiece Assembly,optical Instru, cataloged under National Stock Number 6650-01-366-1617, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameEyepiece Assembly,optical Instru
FSC / FSG6650 — No Item Name Available (FSG 66)
ManufacturersNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Olympus America Inc (CAGE 32212); Olympus America Inc (CAGE 1KY21)
Technical Specifications
ParameterValue
NSN6650-01-366-1617
Primary Part Number3356AS930-1
Item NameEyepiece Assembly,optical Instru
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-155-8888136539-7 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5965-00-194-9875LS10 INTERCHANGEABLE
Loudspeaker,permanent Magnet
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-662-1975LS10 INTERCHANGEABLE
Bearing,plain,self-Aligning
Roller Bearing Company of America, Inc.
5835-01-572-1284LS-10 INTERCHANGEABLE
Recorder Set,sound
Olympus Media Llc
Cross-Reference Index
Part NumberManufacturer
3356AS930-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
LS-10 Olympus America Inc (USA)
LS-10 Olympus America Inc (USA)
2002AS939-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
3110-00-155-8888INTERCHANGEABLE
BEARING,BALL,ANNULAR
136539-7
5965-00-194-9875INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
LS10
3120-00-662-1975INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
LS10
5835-01-572-1284INTERCHANGEABLE
RECORDER SET,SOUND
LS-10

Frequently Asked Questions

What is NSN 6650-01-366-1617?

NSN 6650-01-366-1617 is a Eyepiece Assembly,optical Instru, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-366-1617?

NSN 6650-01-366-1617 has 4 cross-referenced part numbers: 3356AS930-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), LS-10 (Olympus America Inc), LS-10 (Olympus America Inc), 2002AS939-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 6650-01-366-1617?

There are 4 known substitutes for 6650-01-366-1617: 3110-00-155-8888, 5965-00-194-9875, 3120-00-662-1975 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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