PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7777*MEJI-EMZ5Microscope,optical

Black & Company · NSN 6650-01-189-4433 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-189-4433 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-189-4433. Primary manufacturer part number: 7777*MEJI-EMZ5.
Features
  • Microscope,optical — FSC 6650
  • Length: 6.250 INCHES NOMINAL IN
  • Width: 5.880 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Black & Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microscope,optical, cataloged under National Stock Number 6650-01-189-4433, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Black & Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6650-01-189-4433
Primary Part Number7777*MEJI-EMZ5
Item NameMicroscope,optical
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerBlack & Company
StatusCANCELLED
Length6.250 INCHES NOMINAL IN
Width5.880 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4730-00-728-20212202-4-4 INTERCHANGEABLE
Elbow,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
3417-01-247-4193P20570A INTERCHANGEABLE
Engraver-Router,computerized
Maniabarco Inc.
Cross-Reference Index
Part NumberManufacturer
7777*MEJI-EMZ5 Black & Company (USA)
S4E Leica Microsystems Inc. (USA)
011894433 Naval Sea Systems Command Logistics Support Engineering Activity (USA)
EMZ5 Meiji Techno America, Incorporated (USA)
STEREO ZOOM IV Bausch & Lomb Inc (USA)
Related Parts
4730-00-728-2021INTERCHANGEABLE
ELBOW,PIPE
2202-4-4
3417-01-247-4193INTERCHANGEABLE
ENGRAVER-ROUTER,COMPUTERIZED
P20570A

Frequently Asked Questions

What is NSN 6650-01-189-4433?

NSN 6650-01-189-4433 is a Microscope,optical, manufactured by Black & Company, classified under FSC 6650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6650-01-189-4433?

NSN 6650-01-189-4433 has 5 cross-referenced part numbers: 7777*MEJI-EMZ5 (Black & Company), S4E (Leica Microsystems Inc.), 011894433 (Naval Sea Systems Command Logistics Support Engineering Activity), EMZ5 (Meiji Techno America, Incorporated), STEREO ZOOM IV (Bausch & Lomb Inc).

What NSN replaces 6650-01-189-4433?

There are 2 known substitutes for 6650-01-189-4433: 4730-00-728-2021, 3417-01-247-4193. Verify interchangeability with system specifications before substitution.

What are the specifications of 7777*MEJI-EMZ5?

Key specifications for 7777*MEJI-EMZ5: Length: 6.250 INCHES NOMINAL IN; Width: 5.880 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6650-01-189-4433 still in active supply?

NSN 6650-01-189-4433 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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