PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MFY400Applicator,brush,dental

Young Microbrush, Llc Dba Microbrush International · NSN 6520-01-671-8403 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-671-8403 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-671-8403. Primary manufacturer part number: MFY400.
Features
  • Applicator,brush,dental — FSC 6520
  • Shape: STRAIGHT
  • 5 verified cross-references
  • Primary manufacturer: Young Microbrush, Llc Dba Microbrush International
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Applicator,brush,dental, cataloged under National Stock Number 6520-01-671-8403, is classified within Federal Supply Class 6520 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Young Microbrush, Llc Dba Microbrush International. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6520-01-671-8403
Primary Part NumberMFY400
Item NameApplicator,brush,dental
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerYoung Microbrush, Llc Dba Microbrush International
StatusACTIVE
ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 2
5950-00-045-86341511210 INTERCHANGEABLE
Transformer,radio Frequency
Lockheed Martin Corporation Div Rms - Mitchel Field
1650-00-406-13063186803 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Moog Military Aircraft Llc
Cross-Reference Index
Part NumberManufacturer
MFY400 Young Microbrush, Llc Dba Microbrush International (USA)
6520NCM184210 Defense Medical Standardization Board (USA)
1511210 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
1074896 Henry Schein, Inc. (USA)
3186-803 Benco Dental Supply Co. (USA)
Related Parts
5950-00-045-8634INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1511210
1650-00-406-1306INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
3186803

Frequently Asked Questions

What is NSN 6520-01-671-8403?

NSN 6520-01-671-8403 is a Applicator,brush,dental, manufactured by Young Microbrush, Llc Dba Microbrush International, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-671-8403?

NSN 6520-01-671-8403 has 5 cross-referenced part numbers: MFY400 (Young Microbrush, Llc Dba Microbrush International), 6520NCM184210 (Defense Medical Standardization Board), 1511210 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 1074896 (Henry Schein, Inc.), 3186-803 (Benco Dental Supply Co.).

What NSN replaces 6520-01-671-8403?

There are 2 known substitutes for 6520-01-671-8403: 5950-00-045-8634, 1650-00-406-1306. Verify interchangeability with system specifications before substitution.

What are the specifications of MFY400?

Key specifications for MFY400: Part Name Assigned by Controlling Agency: APPLICATOR, BRUSH, DENTAL, 400'S; Special Features: BRUSH APPLICATOR DENTAL, DISPOSABLE, BENDABLE NECK, SINGLE ENDED, COLOR YELLOW, FINE TIPS 1.5 MM, NON-ABSORBENT, NON-LINTING FIBERS, PLASTIC, TUBE SERIES 400 APPLICATORS, 400S MM; Shape: STRAIGHT. 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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