PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LM-8ELensmeter

Topcon Healthcare, Inc. · NSN 6540-01-598-4357 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-598-4357 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-598-4357. Primary manufacturer part number: LM-8E.
Features
  • Lensmeter — FSC 6540
  • 3 verified cross-references
  • Primary manufacturer: Topcon Healthcare, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lensmeter, cataloged under National Stock Number 6540-01-598-4357, 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 Topcon Healthcare, Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-598-4357
Primary Part NumberLM-8E
Item NameLensmeter
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerTopcon Healthcare, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5340-01-235-145211026152 SUCCESSOR
Cover,access
Klein Products, Inc.
2805-00-036-124726152 INTERCHANGEABLE
Pushrod
Grove Valve Operations
6615-00-436-033626152 INTERCHANGEABLE
Gland,snubbing
Parker-Hannifin Corporation Dba Control Systems Division
5935-00-578-9329126-152 INTERCHANGEABLE
Connector,plug,electrical
Wire-Pro, Inc Dba Wpi-Salem Division
5310-00-870-03454327 INTERCHANGEABLE
Washer,flat
Eaton Corporation
5330-01-022-55042615-2 INTERCHANGEABLE
Gasket
Tescom Corp Dba Tescom Div Tescom
5950-01-124-001576E5N513 INTERCHANGEABLE
Transformer,audio Frequency
Navy, United States Department of the Spawar Dba Space and Naval Wafare Command
3130-01-192-941526152 INTERCHANGEABLE
Cap,pillow Block
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
26152 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6540NCM116562 Defense Medical Standardization Board (USA)
LM-8E PRIMARY Topcon Healthcare, Inc. (USA)
Related Parts
5340-01-235-1452SUCCESSOR
COVER,ACCESS
11026152
2805-00-036-1247INTERCHANGEABLE
PUSHROD
26152
6615-00-436-0336INTERCHANGEABLE
GLAND,SNUBBING
26152
5935-00-578-9329INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
126-152
5310-00-870-0345INTERCHANGEABLE
WASHER,FLAT
4327
5330-01-022-5504INTERCHANGEABLE
GASKET
2615-2
5950-01-124-0015INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
76E5N513
3130-01-192-9415INTERCHANGEABLE
CAP,PILLOW BLOCK
26152

Frequently Asked Questions

What is NSN 6540-01-598-4357?

NSN 6540-01-598-4357 is a Lensmeter, manufactured by Topcon Healthcare, Inc., classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-598-4357?

NSN 6540-01-598-4357 has 3 cross-referenced part numbers: 26152 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6540NCM116562 (Defense Medical Standardization Board), LM-8E (Topcon Healthcare, Inc.).

What NSN replaces 6540-01-598-4357?

There are 8 known substitutes for 6540-01-598-4357: 5340-01-235-1452, 2805-00-036-1247, 6615-00-436-0336 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LM-8E?

Key specifications for LM-8E: Overall Length: 420.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: LENSMETER MANUAL; Overall Width: 160.0 MILLIMETERS NOMINAL MM; Overall Height: 310.0 MILLIMETERS NOMINAL MM. 5 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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