PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71-74-22-01Retinoscope

Bausch & Lomb Inc · NSN 6540-01-035-2403 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-035-2403 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-035-2403. Primary manufacturer part number: 71-74-22-01.
Features
  • Retinoscope — FSC 6540
  • Mirror Removability: NONREMOVABLE
  • Design Designation: HALOGEN
  • Lamp Voltage Rating in Volts: 3.5
  • Astigmatism Finding Axis: NOT PROVIDED
  • Operation Method: ELECTRICAL
  • Carrying Case: PROVIDED
  • Lamp Quantity: 2
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retinoscope, cataloged under National Stock Number 6540-01-035-2403, 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 Bausch & Lomb Inc. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6540-01-035-2403
Primary Part Number71-74-22-01
Item NameRetinoscope
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerBausch & Lomb Inc
StatusACTIVE
Mirror RemovabilityNONREMOVABLE
Design DesignationHALOGEN
Lamp Voltage Rating in Volts3.5
Astigmatism Finding AxisNOT PROVIDED
Operation MethodELECTRICAL
Carrying CasePROVIDED
Lamp Quantity2
ScaleNOT PROVIDED
Built-in RheostatNOT PROVIDED
Peephole VariabilityNOT VARIABLE
Lampholder Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2805-00-213-1675 INTERCHANGEABLE
Housing Assembly,oil
5330-00-352-791418180 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3030-00-789-115118-180 INTERCHANGEABLE
Belt,v
Hoyt Corporation
2530-00-900-76201664552 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Chrysler Realty Company Llc Dba Daimler Chrysler
4520-01-043-2486 INTERCHANGEABLE
Exhaust Pipe Assembly,engine
Cross-Reference Index
Part NumberManufacturer
18180 Welch Allyn Inc Lamp Div (USA)
18180 Krasity's Medical & Surgical Supply, Inc. Dba Krasity's (USA)
71-74-22-01 PRIMARY Bausch & Lomb Inc (USA)
Related Parts
2805-00-213-1675INTERCHANGEABLE
HOUSING ASSEMBLY,OIL
5330-00-352-7914INTERCHANGEABLE
GASKET
18180
3030-00-789-1151INTERCHANGEABLE
BELT,V
18-180
2530-00-900-7620INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
1664552
4520-01-043-2486INTERCHANGEABLE
EXHAUST PIPE ASSEMBLY,ENGINE

Frequently Asked Questions

What is NSN 6540-01-035-2403?

NSN 6540-01-035-2403 is a Retinoscope, manufactured by Bausch & Lomb Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-035-2403?

NSN 6540-01-035-2403 has 3 cross-referenced part numbers: 18180 (Welch Allyn Inc Lamp Div), 18180 (Krasity's Medical & Surgical Supply, Inc. Dba Krasity's), 71-74-22-01 (Bausch & Lomb Inc).

What NSN replaces 6540-01-035-2403?

There are 5 known substitutes for 6540-01-035-2403: 2805-00-213-1675, 5330-00-352-7914, 3030-00-789-1151 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71-74-22-01?

Key specifications for 71-74-22-01: Mirror Removability: NONREMOVABLE; Design Designation: HALOGEN; Lamp Voltage Rating in Volts: 3.5; Astigmatism Finding Axis: NOT PROVIDED. 13 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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