PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4007Lamp,lens Measuring,ophthalmic

Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart · NSN 6540-01-549-9055 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-549-9055 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-549-9055. Primary manufacturer part number: 4007.
Features
  • Lamp,lens Measuring,ophthalmic — FSC 6540
  • 3 verified cross-references
  • Primary manufacturer: Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,lens Measuring,ophthalmic, cataloged under National Stock Number 6540-01-549-9055, 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. 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
NSN6540-01-549-9055
Primary Part Number4007
Item NameLamp,lens Measuring,ophthalmic
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerLombart Brothers, Inc Dba Marco Lombart Div Marco Lombart
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5340-00-075-2811SK4007 SUCCESSOR
Latch,mortise
Edro Corporation, the Dba Edro Corp
3110-00-100-074210611 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Black and Decker Us Inc
5330-00-171-3930 INTERCHANGEABLE
Seal,plain Encased
3120-00-394-6471 INTERCHANGEABLE
Bearing,sleeve
5905-00-491-47492786 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5120-00-831-2253 INTERCHANGEABLE
Inserter,screw Thread Insert
5905-01-096-36702786 INTERCHANGEABLE
Resistor
Crown Audio, Inc. Dba Crown International
6530-01-681-51542786 INTERCHANGEABLE
Ultrasonic Apparatus and Muscle
Chattanooga Medical Supply, Inc. Dba Chattanooga Medical Supply
Cross-Reference Index
Part NumberManufacturer
2786 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
4007 PRIMARY Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart (USA)
6540NCM071185 Defense Medical Standardization Board (USA)
Related Parts
5340-00-075-2811SUCCESSOR
LATCH,MORTISE
SK4007
3110-00-100-0742INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
10611
5330-00-171-3930INTERCHANGEABLE
SEAL,PLAIN ENCASED
3120-00-394-6471INTERCHANGEABLE
BEARING,SLEEVE
5905-00-491-4749INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
2786
5120-00-831-2253INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5905-01-096-3670INTERCHANGEABLE
RESISTOR
2786
6530-01-681-5154INTERCHANGEABLE
ULTRASONIC APPARATUS AND MUSCLE
2786

Frequently Asked Questions

What is NSN 6540-01-549-9055?

NSN 6540-01-549-9055 is a Lamp,lens Measuring,ophthalmic, 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 6540-01-549-9055?

NSN 6540-01-549-9055 has 3 cross-referenced part numbers: 2786 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 4007 (Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart), 6540NCM071185 (Defense Medical Standardization Board).

What NSN replaces 6540-01-549-9055?

There are 8 known substitutes for 6540-01-549-9055: 5340-00-075-2811, 3110-00-100-0742, 5330-00-171-3930 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4007?

Key specifications for 4007: End Item Identification: LENS MEASURING INSTRUMENT, NSN 6540-00-181-8037; Special Features: LAMP, CLEAR 120V 25W FOR LENS MEASURING INSTRUMENT, END ITEM NSN 6540-00-181-8037, FOUND IN ARMY UNIT ASSEMBLAGE N315, MEDICAL MATERIEL SET EYE EXAM CLINIC: DEPMEDS V; Part Name Assigned by Controlling Agency: LAMP CLEAR 120V 25W FOR LENS MEASURING INSTRUMENT V. 3 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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