The File,endodontic,rotary, cataloged under National Stock Number 6520-01-717-7540, is classified within Federal Supply Class 6520 (Dental Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Dentsply North America Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: SE.
| Parameter | Value |
|---|---|
| NSN | 6520-01-717-7540 |
| Primary Part Number | PTGRA31 |
| Item Name | File,endodontic,rotary |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Dentsply North America Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | SE |
| Part Number | Manufacturer |
|---|---|
| PTGRA31 PRIMARY | Dentsply North America Llc (USA) |
| Reference | Meaning |
|---|---|
| 1662609 | 5/1 Secondary reference U.S. Government activity |
| 6520NCM249569 | 5/1 Secondary reference Defense Medical Standardization Board |
| PTGRA31 | 5/9 Secondary reference Dentsply Sirona Inc |
NSN 6520-01-717-7540 is a File,endodontic,rotary, manufactured by Dentsply North America Llc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-717-7540 has 1 manufacturer part number on file: PTGRA31 (Dentsply North America Llc).
Key specifications for PTGRA31: Special Features: PROTAPER GOLD ROTARY FILES, ASSORTED FILE PACKS SX-F3 31MM; NICKEL TITANIUM; ISO COLORS; STERILIZED. PROTAPER GOLD ROTARY FILES HAVE OUTSTANDING FLEXIBILITY AND CYCLIC FATIGUE RESISTANCE OWING TO THE SAME PROPERTIES AS PROTAPE UNIVERSAL FILES THAT FORM A GLIDE PATH IN HIGHLY CURVED CANALS. MM; Part Name Assigned by Controlling Agency: ROTARY FILES, PROTAPER GOLD MULTIPACK SIZE SX-F3 31MM MM. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.