PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FE TEST LENSLens,test

Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International · NSN 6540-01-612-4067 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-612-4067 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-612-4067. Primary manufacturer part number: FE TEST LENS.
Features
  • Lens,test — FSC 6540
  • 3 verified cross-references
  • Primary manufacturer: Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lens,test, cataloged under National Stock Number 6540-01-612-4067, is classified within Federal Supply Class 6540 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-612-4067
Primary Part NumberFE TEST LENS
Item NameLens,test
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerLyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
5330-01-480-80132-28969 INTERCHANGEABLE
Gasket
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
FE TEST LENS PRIMARY Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International (USA)
228969 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6540NCM128372 Defense Medical Standardization Board (USA)
Related Parts
5330-01-480-8013INTERCHANGEABLE
GASKET
2-28969

Frequently Asked Questions

What is NSN 6540-01-612-4067?

NSN 6540-01-612-4067 is a Lens,test, manufactured by Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-612-4067?

NSN 6540-01-612-4067 has 3 cross-referenced part numbers: FE TEST LENS (Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International), 228969 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6540NCM128372 (Defense Medical Standardization Board).

What NSN replaces 6540-01-612-4067?

There is 1 known substitute for 6540-01-612-4067: 5330-01-480-8013. Verify interchangeability with system specifications before substitution.

What are the specifications of FE TEST LENS?

Key specifications for FE TEST LENS: End Item Identification: 6540-01-604-9603 OPHTHALMIC LENS FABRICATION SYSTEM; Part Name Assigned by Controlling Agency: LENS TEST; Special Features: TEST LENS; USED TO TEST THE FE GAUGE 2000 READING. 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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