The File,endodontic,rotary, cataloged under National Stock Number 6520-01-556-2256, 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 Medidenta International Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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: PG.
| Parameter | Value |
|---|---|
| NSN | 6520-01-556-2256 |
| Primary Part Number | 639-3930 |
| Item Name | File,endodontic,rotary |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Medidenta International Inc |
| 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 | PG |
| Part Number | Manufacturer |
|---|---|
| 639-3930 PRIMARY | Medidenta International Inc (USA) |
| Reference | Meaning |
|---|---|
| 6520NCM071791 | 5/1 Secondary reference Defense Medical Standardization Board |
| 4646 | 5/1 Secondary reference U.S. Government activity |
| RISPISONIC 19 MM SIZE 4 | 5/1 Secondary reference Medidenta International Inc |
NSN 6520-01-556-2256 is a File,endodontic,rotary, manufactured by Medidenta International Inc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-556-2256 has 1 manufacturer part number on file: 639-3930 (Medidenta International Inc).
Key specifications for 639-3930: Special Features: FILE,ENDODONTIC,RISPISONIC; 19 MM LENGTH; SIZE 4; PACKAGE OF 6; FOR USE WITH END ITEM HANDPIECE,DENTAL, NSN 6520-01-462-0759 MM; Part Name Assigned by Controlling Agency: FILE ENDODONTIC 19 MM SZ4 6S 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.