PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-4000Magnifier,spectacle

Miltex Instrument Company Inc · NSN 6540-01-163-3769 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-163-3769 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-163-3769. Primary manufacturer part number: 1-4000.
Features
  • Magnifier,spectacle — FSC 6540
  • General Characteristics Item Description: LOUPE,GULLSTRAND DESIGN; 2X OR 3X MAGNIFICATION; 10 IN. FOCAL LENGTH; 50 MM FIELD; INDIVIDUAL LENS ADJUSTABLE; METAL TEMPLES OR PLASTIC WITH PADDLE TEMPLES MM
  • 2 verified cross-references
  • Primary manufacturer: Miltex Instrument Company Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Magnifier,spectacle, cataloged under National Stock Number 6540-01-163-3769, 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 Miltex Instrument Company Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6540-01-163-3769
Primary Part Number1-4000
Item NameMagnifier,spectacle
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerMiltex Instrument Company Inc
StatusCANCELLED
General Characteristics Item DescriptionLOUPE,GULLSTRAND DESIGN; 2X OR 3X MAGNIFICATION; 10 IN. FOCAL LENGTH; 50 MM FIELD; INDIVIDUAL LENS ADJUSTABLE; METAL TEMPLES OR PLASTIC WITH PADDLE TEMPLES MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6530-01-078-7329 (14000)
HAZMATNo
Verified Substitutes 5
No Item Name Available
6530-01-078-732914000 SUCCESSOR
Pad,pressure Point,physicotherap
Bio Clinic Corp
6110-01-187-7253E-6780 SUCCESSOR
Starter,motor
Ridge Tool Company
Cardiac Perfusion Set,surgical
6530-01-608-1472140-00 SUCCESSOR
Tape,sealing,sterilization Indic
Cantech Industries Inc. Div Cantech Industries Inc.
Cross-Reference Index
Part NumberManufacturer
1-4000 Miltex Instrument Company Inc (USA)
E6780 Bausch & Lomb Incorporated Div Surgical (USA)
Related Parts
SUCCESSOR 6530-01-078-7329 Pad,pressure Point,physicotherap · 14000
6540-01-146-2627SUCCESSOR
NO ITEM NAME AVAILABLE
6110-01-187-7253SUCCESSOR
STARTER,MOTOR
E-6780
6515-01-336-0556SUCCESSOR
CARDIAC PERFUSION SET,SURGICAL
6530-01-608-1472SUCCESSOR
TAPE,SEALING,STERILIZATION INDIC
140-00

Frequently Asked Questions

What is NSN 6540-01-163-3769?

NSN 6540-01-163-3769 is a Magnifier,spectacle, manufactured by Miltex Instrument Company Inc, classified under FSC 6540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6540-01-163-3769?

NSN 6540-01-163-3769 has 2 cross-referenced part numbers: 1-4000 (Miltex Instrument Company Inc), E6780 (Bausch & Lomb Incorporated Div Surgical).

What NSN replaces 6540-01-163-3769?

There are 5 known substitutes for 6540-01-163-3769: 6540-01-146-2627, 6530-01-078-7329, 6110-01-187-7253 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-4000?

Key specifications for 1-4000: Part Name Assigned by Controlling Agency: MAGNIFIER SPECTACLE LOUPE GULLSTRAND DESIGN 2X10" FOCAL LG 50MM MM; General Characteristics Item Description: LOUPE,GULLSTRAND DESIGN; 2X OR 3X MAGNIFICATION; 10 IN. FOCAL LENGTH; 50 MM FIELD; INDIVIDUAL LENS ADJUSTABLE; METAL TEMPLES OR PLASTIC WITH PADDLE TEMPLES MM. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6540-01-163-3769 still in active supply?

NSN 6540-01-163-3769 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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