PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

639-3920File,endodontic,rotary

Medidenta International Inc · NSN 6520-01-556-2385 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-556-2385 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-556-2385. Primary manufacturer part number: 639-3920.
Features
  • File,endodontic,rotary — FSC 6520
  • 4 verified cross-references
  • Primary manufacturer: Medidenta International Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The File,endodontic,rotary, cataloged under National Stock Number 6520-01-556-2385, 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 Medidenta International Inc. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6520-01-556-2385
Primary Part Number639-3920
Item NameFile,endodontic,rotary
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerMedidenta International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 7
5935-00-170-3065REB49298 INTERCHANGEABLE
Connector,plug,electrical
Naval Ship Systems Command
6110-00-691-7453 INTERCHANGEABLE
Regulator Assy,volt
5940-00-790-04954643 INTERCHANGEABLE
Post,binding,electrical
Electro Scientific Industries Inc
5930-00-998-75954643 INTERCHANGEABLE
Switch,toggle
Bryant Electric
6110-01-303-4969 INTERCHANGEABLE
Protector,thermal-Overload,elect
4130-01-447-49424643 INTERCHANGEABLE
Compressor,refrigeration
Sanden International/usa/inc
4140-01-512-62306393920 INTERCHANGEABLE
Plenum,air Intake
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
RISPISONIC 19 MM SIZE 2 Medidenta International Inc (USA)
4643 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6520NCM071789 Defense Medical Standardization Board (USA)
639-3920 PRIMARY Medidenta International Inc (USA)
Related Parts
5935-00-170-3065INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
REB49298
6110-00-691-7453INTERCHANGEABLE
REGULATOR ASSY,VOLT
5940-00-790-0495INTERCHANGEABLE
POST,BINDING,ELECTRICAL
4643
5930-00-998-7595INTERCHANGEABLE
SWITCH,TOGGLE
4643
6110-01-303-4969INTERCHANGEABLE
PROTECTOR,THERMAL-OVERLOAD,ELECT
4130-01-447-4942INTERCHANGEABLE
COMPRESSOR,REFRIGERATION
4643
4140-01-512-6230INTERCHANGEABLE
PLENUM,AIR INTAKE
6393920

Frequently Asked Questions

What is NSN 6520-01-556-2385?

NSN 6520-01-556-2385 is a File,endodontic,rotary, manufactured by Medidenta International Inc, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-556-2385?

NSN 6520-01-556-2385 has 4 cross-referenced part numbers: RISPISONIC 19 MM SIZE 2 (Medidenta International Inc), 4643 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6520NCM071789 (Defense Medical Standardization Board), 639-3920 (Medidenta International Inc).

What NSN replaces 6520-01-556-2385?

There are 7 known substitutes for 6520-01-556-2385: 5935-00-170-3065, 6110-00-691-7453, 5940-00-790-0495 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 639-3920?

Key specifications for 639-3920: Special Features: FILE, ENDODONTIC, RISPISONIC; 19 MM LENGTH; SIZE 2; COLOR CODE YELLOW; PACKAGE OF 6; FOR USE WITH END ITEM HANDPIECE,DENTAL, NSN 6520-01-462-0759 MM; Part Name Assigned by Controlling Agency: FILE ENDODONTIC 19MM SZ2 6S MM. 2 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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