The Bur,dental,excavating, cataloged under National Stock Number 6520-01-003-2122, 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. Dba Dentsply Caulk Div Caulk Division. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 6520-01-003-2122 |
| Primary Part Number | 665708 |
| Item Name | Bur,dental,excavating |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division |
| Status | ACTIVE |
| Handpiece Type for Which Designed | FRICTION GRIP |
| End Shape | ROUND |
| Head Size Designation | 4S |
| Head Shape | ROUND |
| Material | STEEL SHANK |
| Material | TUNGSTEN CARBIDE HEAD |
| 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 |
|---|---|
| 665708 PRIMARY | Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division (USA) |
| Reference | Meaning |
|---|---|
| 17654 | 5/9 Secondary reference Hertz Corp the |
NSN 6520-01-003-2122 is a Bur,dental,excavating, manufactured by Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-003-2122 has 1 manufacturer part number on file: 665708 (Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division).
4 possible matches (shared part number, not a government interchangeability claim): 5970-01-042-8845, 5995-01-383-9933, 2815-01-396-1964. Verify interchangeability with system specifications before substitution.
Key specifications for 665708: Handpiece Type for Which Designed: FRICTION GRIP; End Shape: ROUND; Head Size Designation: 4S; Head Shape: ROUND. 6 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.