The Bur,dental,excavating, cataloged under National Stock Number 6520-01-003-2270, 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 Sirona Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6520-01-003-2270 |
| Primary Part Number | 389305 |
| Item Name | Bur,dental,excavating |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Dentsply Sirona Inc |
| Status | ACTIVE |
| Handpiece Type for Which Designed | STRAIGHT |
| End Shape | FLAT OR ROUND |
| Head Size Designation | 4 |
| Head Shape | ROUND |
| 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 |
|---|---|
| 181-389305 | Dental Health Products Incorporated (USA) |
| 389305 PRIMARY | Dentsply Sirona Inc (USA) |
| 7720018 | Henry Schein, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 14832 | 5/9 Secondary reference Ss White Burs Inc |
| 14832 | C/1 Advisory reference — outside the item-of-supply concept Ss White Burs Llc |
| 665714 | 5/9 Secondary reference Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division |
| 389305 | 5/9 Secondary reference U.S. Government activity |
NSN 6520-01-003-2270 is a Bur,dental,excavating, manufactured by Dentsply Sirona Inc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-003-2270 has 3 manufacturer part numbers on file: 181-389305 (Dental Health Products Incorporated), 389305 (Dentsply Sirona Inc), 7720018 (Henry Schein, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5995-01-180-4052, 5315-01-225-3553. Verify interchangeability with system specifications before substitution.
Key specifications for 389305: Handpiece Type for Which Designed: STRAIGHT; End Shape: FLAT OR ROUND; Head Size Designation: 4; Head Shape: ROUND. 4 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.