PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1370Refractor,illuminated

Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart · NSN 6540-01-603-5097 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-603-5097 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-603-5097. Primary manufacturer part number: 1370.
Features
  • Refractor,illuminated — FSC 6540
  • Voltage in Volts and Current Type: 120.0 AC
  • Wattage Rating: 12.000 WATTS
  • 4 verified cross-references
  • Primary manufacturer: Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Refractor,illuminated, cataloged under National Stock Number 6540-01-603-5097, 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 Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-603-5097
Primary Part Number1370
Item NameRefractor,illuminated
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerLombart Brothers, Inc Dba Marco Lombart Div Marco Lombart
StatusACTIVE
Voltage in Volts and Current Type120.0 AC
Wattage Rating12.000 WATTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
6515-01-340-7990789 SUCCESSOR
Splint,ankle
Otc Professional Appliance Div of Surgical Appliance Industries Inc
Motor,alternating Current
5305-00-009-336931687 INTERCHANGEABLE
Setscrew
Valcor Engineering Corporation
2940-00-133-9969 INTERCHANGEABLE
Filter Element,fluid
Cross-Reference Index
Part NumberManufacturer
6540NCM127127 Defense Medical Standardization Board (USA)
1370 PRIMARY Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart (USA)
31687 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
RT-700 Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart (USA)
Related Parts
6515-01-340-7990SUCCESSOR
SPLINT,ANKLE
789
6105-01-486-3029SUCCESSOR
MOTOR,ALTERNATING CURRENT
5305-00-009-3369INTERCHANGEABLE
SETSCREW
31687
2940-00-133-9969INTERCHANGEABLE
FILTER ELEMENT,FLUID

Frequently Asked Questions

What is NSN 6540-01-603-5097?

NSN 6540-01-603-5097 is a Refractor,illuminated, manufactured by Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-603-5097?

NSN 6540-01-603-5097 has 4 cross-referenced part numbers: 6540NCM127127 (Defense Medical Standardization Board), 1370 (Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart), 31687 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), RT-700 (Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart).

What NSN replaces 6540-01-603-5097?

There are 4 known substitutes for 6540-01-603-5097: 6515-01-340-7990, 6105-01-486-3029, 5305-00-009-3369 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1370?

Key specifications for 1370: Part Name Assigned by Controlling Agency: REFRACTOR ILLUMINATED; Overall Length: 13.540 INCHES NOMINAL IN; Overall Width: 3.780 INCHES NOMINAL IN; Special Features: REFRACTOR, ILLUMINATED, RT-700; SPHERE POWER RANGE: +16.75 TO -19.00 DIOPTERS; STEP: 0.25 DIOPTERS; CYLINDER POWER RANGE: 0.00 TO +/- 6.00 DIOPTERS, 0.00 TO +/- 8.00 DIOPTERS WITH ADDITIONAL LENS OF +/- DIOPTERS; CYLINDER AXIS: 0 TO 180 DEG, 5 DEG STEPS; OPEN APERTURE (TWO POSITIONS); RETINOSCOPIC LENS, +1.50D; POLARIZING LENS 45 DEG LEFT EYE, 135 DEG RIGHT EYE; WHITE MADDOX ROD, VERTICAL; RED MADDOX ROD, VERTICAL; WHITE MADDOX ROD, HORIZONTAL, RED MADDOX ROD, HORIZONTAL; PD ADJUST 48-75 MM, 1 MM STEPS; CONVERGENCE ADJUSTMENT: INFINITY TO 400 MM; FORHEAD REST ADJUSTMENT: 16 MM; VERTEX DISTANCE: 13.75 MM FROM APEX OF CORNEA; MINUS CYLINDER MODEL MM. 7 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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