PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

639-3925File,endodontic,rotary

Medidenta International Inc · NSN 6520-01-556-2389 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-556-2389 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-556-2389. Primary manufacturer part number: 639-3925.
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 6520-01-556-2389, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6520-01-556-2389
Primary Part Number639-3925
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 8
6105-00-215-00194645-0A INTERCHANGEABLE
Motor,alternating Current
Legend Electric Vehicles
5950-00-802-57594646 INTERCHANGEABLE
Coil,radio Frequency
Bell Industries Inc J W Miller Magnetics Div
4730-00-909-7481331C163H17 INTERCHANGEABLE
Coupling Half,quick Disconnect
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5930-00-975-79364645 INTERCHANGEABLE
Switch,electrical
Hoyt Corporation
5930-01-123-34944645 INTERCHANGEABLE
Switch,toggle
Bunn-O-Matic Corporation Div Government Sales
7330-01-187-42134645 INTERCHANGEABLE
Bowl,food Mixing
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5940-01-193-7530464-130 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
9905-01-477-99624645 INTERCHANGEABLE
Sign
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
639-3925 PRIMARY Medidenta International Inc (USA)
4645 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6520NCM071790 Defense Medical Standardization Board (USA)
RISPISONIC 19 MM SIZE 3 Medidenta International Inc (USA)
Related Parts
6105-00-215-0019INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
4645-0A
5950-00-802-5759INTERCHANGEABLE
COIL,RADIO FREQUENCY
4646
4730-00-909-7481INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
331C163H17
5930-00-975-7936INTERCHANGEABLE
SWITCH,ELECTRICAL
4645
5930-01-123-3494INTERCHANGEABLE
SWITCH,TOGGLE
4645
7330-01-187-4213INTERCHANGEABLE
BOWL,FOOD MIXING
4645
5940-01-193-7530INTERCHANGEABLE
TERMINAL,LUG
464-130
9905-01-477-9962INTERCHANGEABLE
SIGN
4645

Frequently Asked Questions

What is NSN 6520-01-556-2389?

NSN 6520-01-556-2389 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 6520-01-556-2389?

NSN 6520-01-556-2389 has 4 cross-referenced part numbers: 639-3925 (Medidenta International Inc), 4645 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6520NCM071790 (Defense Medical Standardization Board), RISPISONIC 19 MM SIZE 3 (Medidenta International Inc).

What NSN replaces 6520-01-556-2389?

There are 8 known substitutes for 6520-01-556-2389: 6105-00-215-0019, 5950-00-802-5759, 4730-00-909-7481 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 639-3925?

Key specifications for 639-3925: Part Name Assigned by Controlling Agency: FILE ENDODONTIC 19MM SZ3 6S MM; Special Features: FILE, ENDODONTIC, RISPISONIC; 19 MM LENGTH; SIZE 3; COLOR CODE RED; PACKAGE OF 6; FOR USE WITH END ITEM HANDPIECE,DENTAL, NSN 6520-01-462-0759 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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