The Phosphoric Acid Gel,dental, cataloged under National Stock Number 6520-01-282-2246, 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 1 specification, 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 item shares 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 | 6520-01-282-2246 |
| Primary Part Number | 646100 |
| Item Name | Phosphoric Acid Gel,dental |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division |
| Status | ACTIVE |
| General Characteristics Item Description | TOOTH CONDITIONER GEL; 35 PCT ETCHANT; 2 BOTTLES-6ML EACH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| 646100 PRIMARY | Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division (USA) |
NSN 6520-01-282-2246 is a Phosphoric Acid Gel,dental, manufactured by Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-282-2246 has 1 manufacturer part number on file: 646100 (Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-439-4360. Verify interchangeability with system specifications before substitution.
Key specifications for 646100: General Characteristics Item Description: TOOTH CONDITIONER GEL; 35 PCT ETCHANT; 2 BOTTLES-6ML EACH; Part Name Assigned by Controlling Agency: PHOSPHORIC ACID GEL DENTAL 35% ETCHANT 6ML EACH 2S. 1 specification is documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.