PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10446391Lens,microscope

I. Miller Precision Optical Instruments, Inc. · NSN 6650-01-570-8976 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-570-8976 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-570-8976. Primary manufacturer part number: 10446391.
Features
  • Lens,microscope — FSC 6650
  • 3 verified cross-references
  • Primary manufacturer: I. Miller Precision Optical Instruments, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lens,microscope, cataloged under National Stock Number 6650-01-570-8976, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is I. Miller Precision Optical Instruments, Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-570-8976
Primary Part Number10446391
Item NameLens,microscope
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerI. Miller Precision Optical Instruments, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-187-268016C71SUB1GP1 INTERCHANGEABLE
Transformer,power
Raytheon Company
5330-00-594-51521610441 INTERCHANGEABLE
Gasket
Chrysler Realty Company Llc Dba Daimler Chrysler
5970-00-841-1172 INTERCHANGEABLE
Tape,insulation,electrical
2530-01-033-2204252-1396 INTERCHANGEABLE
Axle Assembly,vehicular,nondrivi
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
6650NCM082976 Defense Medical Standardization Board (USA)
10446391 PRIMARY I. Miller Precision Optical Instruments, Inc. (USA)
9990 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
Related Parts
5950-00-187-2680INTERCHANGEABLE
TRANSFORMER,POWER
16C71SUB1GP1
5330-00-594-5152INTERCHANGEABLE
GASKET
1610441
5970-00-841-1172INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
2530-01-033-2204INTERCHANGEABLE
AXLE ASSEMBLY,VEHICULAR,NONDRIVI
252-1396

Frequently Asked Questions

What is NSN 6650-01-570-8976?

NSN 6650-01-570-8976 is a Lens,microscope, manufactured by I. Miller Precision Optical Instruments, Inc., classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-570-8976?

NSN 6650-01-570-8976 has 3 cross-referenced part numbers: 6650NCM082976 (Defense Medical Standardization Board), 10446391 (I. Miller Precision Optical Instruments, Inc.), 9990 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia).

What NSN replaces 6650-01-570-8976?

There are 4 known substitutes for 6650-01-570-8976: 5950-00-187-2680, 5330-00-594-5152, 5970-00-841-1172 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10446391?

Key specifications for 10446391: Part Name Assigned by Controlling Agency: LENS FOCUSING MICROSCOPE; End Item Identification: 6650-01-556-0738, MICROSCOPE SET STEREOSCOPE LEICA S4 E; Special Features: FOCUSING LENS FOR THE LEICA S4 MODEL. 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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