PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71-21-05Test Slide,stereoscope,vision Te

Leica Inc Surveying and Photogrammetry Systems Div · NSN 6540-00-464-7049 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-00-464-7049 — this item is cataloged by the U.S. Government under National Stock Number 6540-00-464-7049. Primary manufacturer part number: 71-21-05.
Features
  • Test Slide,stereoscope,vision Te — FSC 6540
  • Unit of Issue Cube: 0.0012 CUBIC FEET
  • General Characteristics Item Description: TEST NO. 9; NEAR LETTER ACUITY,LGE LETTERS; WASHABLE; BLK; 6-1/2 IN. W BY 2-1/2 IN. H IN
  • Exterior Container Weight: 0.936 POUNDS LBS
  • 2 verified cross-references
  • Primary manufacturer: Leica Inc Surveying and Photogrammetry Systems Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Slide,stereoscope,vision Te, cataloged under National Stock Number 6540-00-464-7049, 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 Leica Inc Surveying and Photogrammetry Systems Div. Government technical data includes 3 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-00-464-7049
Primary Part Number71-21-05
Item NameTest Slide,stereoscope,vision Te
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerLeica Inc Surveying and Photogrammetry Systems Div
StatusACTIVE
Unit of Issue Cube0.0012 CUBIC FEET
General Characteristics Item DescriptionTEST NO. 9; NEAR LETTER ACUITY,LGE LETTERS; WASHABLE; BLK; 6-1/2 IN. W BY 2-1/2 IN. H IN
Exterior Container Weight0.936 POUNDS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
3110-00-155-8991 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
71-21-05 Bausch & Lomb Inc (USA)
71-21-05 PRIMARY Leica Inc Surveying and Photogrammetry Systems Div (USA)
Related Parts
3110-00-155-8991INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 6540-00-464-7049?

NSN 6540-00-464-7049 is a Test Slide,stereoscope,vision Te, manufactured by Leica Inc Surveying and Photogrammetry Systems Div, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-00-464-7049?

NSN 6540-00-464-7049 has 2 cross-referenced part numbers: 71-21-05 (Bausch & Lomb Inc), 71-21-05 (Leica Inc Surveying and Photogrammetry Systems Div).

What NSN replaces 6540-00-464-7049?

There is 1 known substitute for 6540-00-464-7049: 3110-00-155-8991. Verify interchangeability with system specifications before substitution.

What are the specifications of 71-21-05?

Key specifications for 71-21-05: Unit of Issue Cube: 0.0012 CUBIC FEET; General Characteristics Item Description: TEST NO. 9; NEAR LETTER ACUITY,LGE LETTERS; WASHABLE; BLK; 6-1/2 IN. W BY 2-1/2 IN. H IN; Exterior Container Weight: 0.936 POUNDS LBS. 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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