PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

THFA041521File,rotary,dental

Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America · NSN 6520-01-553-0447 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-553-0447 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-553-0447. Primary manufacturer part number: THFA041521.
Features
  • File,rotary,dental — FSC 6520
  • 4 verified cross-references
  • Primary manufacturer: Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The File,rotary,dental, cataloged under National Stock Number 6520-01-553-0447, 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 Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America. 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: EA.

Technical Specifications
ParameterValue
NSN6520-01-553-0447
Primary Part NumberTHFA041521
Item NameFile,rotary,dental
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerTulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
5940-00-006-0347397-3 INTERCHANGEABLE
Cover,terminal Board
Aim Aerospace Renton, Inc. Dba Sekisui Aerospace Renton
5920-00-224-1589 INTERCHANGEABLE
Fuse Link,electrical
5950-00-242-24103973 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5960-01-140-8009 INTERCHANGEABLE
Electron Tube
6520-01-185-78937000053320 INTERCHANGEABLE
Crown,dental,temporary
Solventum Us Llc
5895-01-249-7805 INTERCHANGEABLE
Control,remote Switching
6695-01-408-1715 INTERCHANGEABLE
Panel,indicator
Cross-Reference Index
Part NumberManufacturer
6520NCM071522 Defense Medical Standardization Board (USA)
THFA041521 PRIMARY Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America (USA)
3973 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
PROFILER HAND INSTRUMENTS Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America (USA)
Related Parts
5940-00-006-0347INTERCHANGEABLE
COVER,TERMINAL BOARD
397-3
5920-00-224-1589INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5950-00-242-2410INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3973
5960-01-140-8009INTERCHANGEABLE
ELECTRON TUBE
6520-01-185-7893INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
7000053320
5895-01-249-7805INTERCHANGEABLE
CONTROL,REMOTE SWITCHING
6695-01-408-1715INTERCHANGEABLE
PANEL,INDICATOR

Frequently Asked Questions

What is NSN 6520-01-553-0447?

NSN 6520-01-553-0447 is a File,rotary,dental, manufactured by Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-553-0447?

NSN 6520-01-553-0447 has 4 cross-referenced part numbers: 6520NCM071522 (Defense Medical Standardization Board), THFA041521 (Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America), 3973 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), PROFILER HAND INSTRUMENTS (Tulsa Dental Products Llc Div Tulsa Dental Specialties And/or Maillefer North America).

What NSN replaces 6520-01-553-0447?

There are 7 known substitutes for 6520-01-553-0447: 5940-00-006-0347, 5920-00-224-1589, 5950-00-242-2410 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of THFA041521?

Key specifications for THFA041521: Part Name Assigned by Controlling Agency: PROFILER 0.04 TAPER HAND INSTRUMENTS 21MM ASSORT 15-40 MM; Special Features: PROFILER, 0.04 TAPER HAND INSTRUMENTS, 21MM ASSORTED 15-40; NICKEL TITANIUM HAND FILES CAN BE USED INTERCHANGEABLY WITH THE ROTARY FILES, AS FINISHING FILES OR TO SHAPE THE ENTIRE CANAL FASTER AND WITH MORE CONTROL THAN TRADITIONAL HAND FILE METHODS. THEIR UNIQUE DESIGN LETS USERS CREATE A CONTINUOUS TAPER AND THEY WORK ESPECIALLY WELL IN SMALL CURVED ROOT CANALS. THESE NICKLE TITANIUM HAND INSTRUMENTS OFFER THE SAME SUPER STRENGTH AND FLEXIBILITY AS THE ROTARY INSTRUMENTS. FEATURE RADIAL-LANDED U-SHAPED FLUTES THAT LIFT DEBRIS CORONALLY. NONCUTTING TIPS THAT REDUCE PERFING, LEDGING AND TRANSPORTING GREATER TAPERED FLUTES WHICH REDUCE THE NUMBER OF INSTRUMENTS NEEDED 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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