PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12084Projector,visual Acuity Test

Leica Microsystems Inc. Dba Ophthalmic Instruments · NSN 6540-01-509-0275 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-509-0275 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-509-0275. Primary manufacturer part number: 12084.
Features
  • Projector,visual Acuity Test — FSC 6540
  • 2 verified cross-references
  • Primary manufacturer: Leica Microsystems Inc. Dba Ophthalmic Instruments
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Projector,visual Acuity Test, cataloged under National Stock Number 6540-01-509-0275, 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 Leica Microsystems Inc. Dba Ophthalmic Instruments. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-509-0275
Primary Part Number12084
Item NameProjector,visual Acuity Test
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerLeica Microsystems Inc. Dba Ophthalmic Instruments
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
5110-00-234-6556 INTERCHANGEABLE
File,hand
5355-00-284-5189 INTERCHANGEABLE
Knob
5970-00-357-7734 INTERCHANGEABLE
Insulator,plate
5845-00-832-323812084 INTERCHANGEABLE
Mechanism Assembly
Custom Metering Company Inc
5905-01-013-827389XR2K INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Bi Technologies Corporation Div Bi Technologies Corp.
4810-01-030-4310FT8262C35 INTERCHANGEABLE
Valve,solenoid
Automatic Switch Company Dba Asco
5315-01-471-5776927439-0139 INTERCHANGEABLE
Pin,quick Release
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6540-01-493-793512084 INTERCHANGEABLE
Projector,head
Lombart Brothers, Inc.
5365-01-607-27371208-4 INTERCHANGEABLE
Bushing,sleeve
Terex Usa, Llc Dba Terex Usa, Llc
4520-01-609-136212084-GRN INTERCHANGEABLE
Cap,flue
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
12084 PRIMARY Leica Microsystems Inc. Dba Ophthalmic Instruments (USA)
LL-H56-0007 Naval Medical Material Support Command Detachment (USA)
Related Parts
5110-00-234-6556INTERCHANGEABLE
FILE,HAND
5355-00-284-5189INTERCHANGEABLE
KNOB
5970-00-357-7734INTERCHANGEABLE
INSULATOR,PLATE
5845-00-832-3238INTERCHANGEABLE
MECHANISM ASSEMBLY
12084
5905-01-013-8273INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
89XR2K
4810-01-030-4310INTERCHANGEABLE
VALVE,SOLENOID
FT8262C35
5315-01-471-5776INTERCHANGEABLE
PIN,QUICK RELEASE
927439-0139
6540-01-493-7935INTERCHANGEABLE
PROJECTOR,HEAD
12084
5365-01-607-2737INTERCHANGEABLE
BUSHING,SLEEVE
1208-4
4520-01-609-1362INTERCHANGEABLE
CAP,FLUE
12084-GRN

Frequently Asked Questions

What is NSN 6540-01-509-0275?

NSN 6540-01-509-0275 is a Projector,visual Acuity Test, manufactured by Leica Microsystems Inc. Dba Ophthalmic Instruments, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-509-0275?

NSN 6540-01-509-0275 has 2 cross-referenced part numbers: 12084 (Leica Microsystems Inc. Dba Ophthalmic Instruments), LL-H56-0007 (Naval Medical Material Support Command Detachment).

What NSN replaces 6540-01-509-0275?

There are 10 known substitutes for 6540-01-509-0275: 5110-00-234-6556, 5355-00-284-5189, 5970-00-357-7734 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12084?

Key specifications for 12084: Part Name Assigned by Controlling Agency: VISUAL ACUITY PROJECTOR. 1 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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