PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

98-2297Ophthalmoscope

Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia · NSN 6540-01-414-2056 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-414-2056 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-414-2056. Primary manufacturer part number: 98-2297.
Features
  • Ophthalmoscope — FSC 6540
  • Cord Handle: NOT PROVIDED
  • Carrying Case: NOT PROVIDED
  • Lens Zero Aperture: INCLUDED
  • 5 verified cross-references
  • Primary manufacturer: Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ophthalmoscope, cataloged under National Stock Number 6540-01-414-2056, 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 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6540-01-414-2056
Primary Part Number98-2297
Item NameOphthalmoscope
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerDefense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
StatusACTIVE
Cord HandleNOT PROVIDED
Carrying CaseNOT PROVIDED
Lens Zero ApertureINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-124-5977 (282509)
HAZMATNo
Verified Substitutes 10
5340-01-124-5977282509 SUCCESSOR
Shield,expansion
Hilti Inc
6540-01-239-547411620 SUCCESSOR
Ophthalmoscope
Welch Allyn, Inc.
6540-01-466-735811720 SUCCESSOR
Ophthalmoscope
Welch Allyn, Inc.
5935-00-153-439711-720 INTERCHANGEABLE
Connector,receptacle,electrical
Pollak Joseph Corp
5307-00-174-193111720 INTERCHANGEABLE
Stud,plain
Circor Naval Solutions Llc Dba Warren Pumps
5310-00-580-3039 INTERCHANGEABLE
Washer,flat
3455-00-995-190911720 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5950-01-129-628811720 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
6550-01-139-7476211720 INTERCHANGEABLE
Culture Medium,thioglycollate
Becton, Dickinson and Company Dba Becton Dickinson & Co
6150-01-174-174321024383-101 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
98-2297 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
11720 Welch Allyn Holdings, Inc. (USA)
11720 Welch Allyn (IRL)
WA11720 Burtons Medical Equipment Ltd (GBR)
COAXIAL OPHTHALMOSCOPE Welch Allyn Holdings, Inc. (USA)
Related Parts
SUCCESSOR 5340-01-124-5977 Shield,expansion · 282509
6540-01-239-5474SUCCESSOR
OPHTHALMOSCOPE
11620
6540-01-466-7358SUCCESSOR
OPHTHALMOSCOPE
11720
5935-00-153-4397INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
11-720
5307-00-174-1931INTERCHANGEABLE
STUD,PLAIN
11720
5310-00-580-3039INTERCHANGEABLE
WASHER,FLAT
3455-00-995-1909INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11720
5950-01-129-6288INTERCHANGEABLE
TRANSFORMER,POWER
11720
6550-01-139-7476INTERCHANGEABLE
CULTURE MEDIUM,THIOGLYCOLLATE
211720
6150-01-174-1743INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
21024383-101

Frequently Asked Questions

What is NSN 6540-01-414-2056?

NSN 6540-01-414-2056 is a Ophthalmoscope, manufactured by Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-414-2056?

NSN 6540-01-414-2056 has 5 cross-referenced part numbers: 98-2297 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 11720 (Welch Allyn Holdings, Inc.), 11720 (Welch Allyn), WA11720 (Burtons Medical Equipment Ltd), COAXIAL OPHTHALMOSCOPE (Welch Allyn Holdings, Inc.).

What NSN replaces 6540-01-414-2056?

There are 10 known substitutes for 6540-01-414-2056: 5340-01-124-5977, 6540-01-239-5474, 6540-01-466-7358 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 98-2297?

Key specifications for 98-2297: Cord Handle: NOT PROVIDED; Carrying Case: NOT PROVIDED; Special Features: COAXIAL; HAS HALOGEN LIGHT; 16 DIAGNOSTIC APERTURES; 28 LENSES (-25 TO +40); RUBBER BROW REST; ILLUMINATED LENS DIAL; LENS SELECTION DISC; MIRROR OPTICAL SYSTEM; POLARIZING FILTER/DUST COVER; ARMY 6540-00-C07-8832; UPN H190117201; Part Name Assigned by Controlling Agency: OPHTHALMOSCOPE COAXIAL HALOGEN LIGHT 16 DIAGNOSTIC APERATURES. 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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