The Etching Liquid,tooth, cataloged under National Stock Number 6520-01-168-7856, 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 3m Company Div 3m Espe Div.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: BT.
| Parameter | Value |
|---|---|
| NSN | 6520-01-168-7856 |
| Primary Part Number | 1923 |
| Item Name | Etching Liquid,tooth |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | 3m Company Div 3m Espe Div. |
| Status | ACTIVE |
| General Characteristics Item Description | 37% ORTHOPHOSOHORIC ACID; UNIT QTY 40 GRAMS G |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | BT |
| Part Number | Manufacturer |
|---|---|
| 1923 PRIMARY | 3m Company Div 3m Espe Div. (USA) |
| Reference | Meaning |
|---|---|
| 1923 | 5/9 Secondary reference 3m Company Div Health Care Business |
NSN 6520-01-168-7856 is a Etching Liquid,tooth, manufactured by 3m Company Div 3m Espe Div., classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-168-7856 has 1 manufacturer part number on file: 1923 (3m Company Div 3m Espe Div.).
Key specifications for 1923: General Characteristics Item Description: 37% ORTHOPHOSOHORIC ACID; UNIT QTY 40 GRAMS G; Part Name Assigned by Controlling Agency: ETCHING LIQUID TOOTH 37% ORTHOPHOSOHORIC ACID 40 GRAMS G. 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.