PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18245Retinoscope

Welch Allyn, Inc. · NSN 6540-01-565-6289 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-565-6289 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-565-6289. Primary manufacturer part number: 18245.
Features
  • Retinoscope — FSC 6540
  • Operation Method: NONELECTRICAL
  • Design Designation: WELCH-ALLYN
  • 3 verified cross-references
  • Primary manufacturer: Welch Allyn, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retinoscope, cataloged under National Stock Number 6540-01-565-6289, 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 Welch Allyn, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN6540-01-565-6289
Primary Part Number18245
Item NameRetinoscope
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerWelch Allyn, Inc.
StatusACTIVE
Operation MethodNONELECTRICAL
Design DesignationWELCH-ALLYN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5305-00-059-4552MS35190-237 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-00-065-6037 INTERCHANGEABLE
Gear,drive Motion
6920-00-340-271226816 INTERCHANGEABLE
Housing,sheave
Revere Transducers Inc
4720-00-922-51306MX INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division
3020-01-186-3681265-28390 ITEM 7 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
5955-01-264-967626816 INTERCHANGEABLE
Oscillator,crystal Controlled
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5930-01-440-8361 INTERCHANGEABLE
Switch,pressure
7910-01-586-6813C81415-01 INTERCHANGEABLE
Cleaner,vacuum,electric
Minuteman International, Inc.
Cross-Reference Index
Part NumberManufacturer
26816 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6540NCM116897 Defense Medical Standardization Board (USA)
18245 PRIMARY Welch Allyn, Inc. (USA)
Related Parts
5305-00-059-4552INTERCHANGEABLE
SCREW,MACHINE
MS35190-237
3020-00-065-6037INTERCHANGEABLE
GEAR,DRIVE MOTION
6920-00-340-2712INTERCHANGEABLE
HOUSING,SHEAVE
26816
4720-00-922-5130INTERCHANGEABLE
HOSE,NONMETALLIC
6MX
3020-01-186-3681INTERCHANGEABLE
GEAR RACK
265-28390 ITEM 7
5955-01-264-9676INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
26816
5930-01-440-8361INTERCHANGEABLE
SWITCH,PRESSURE
7910-01-586-6813INTERCHANGEABLE
CLEANER,VACUUM,ELECTRIC
C81415-01

Frequently Asked Questions

What is NSN 6540-01-565-6289?

NSN 6540-01-565-6289 is a Retinoscope, manufactured by Welch Allyn, Inc., classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-565-6289?

NSN 6540-01-565-6289 has 3 cross-referenced part numbers: 26816 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6540NCM116897 (Defense Medical Standardization Board), 18245 (Welch Allyn, Inc.).

What NSN replaces 6540-01-565-6289?

There are 8 known substitutes for 6540-01-565-6289: 5305-00-059-4552, 3020-00-065-6037, 6920-00-340-2712 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18245?

Key specifications for 18245: Part Name Assigned by Controlling Agency: ELITE RETINOSCOPE; Special Features: SEALED OPTICS KEEP LENSES CLEANER; CROSSED LINEAR POLARIZING FILTER; 2.8X BRIGHTNESS OF STANDARD WELCH ALLYN RETINOSCOPE; STREAK QUALITY ENABLES EASIER AND QUICKER REFRACTIONS, EVEN IN PATIENTS WITH SMALL PUPILS; Operation Method: NONELECTRICAL; Design Designation: WELCH-ALLYN. 4 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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