The Scale Removing Compound, cataloged under National Stock Number 6850-01-699-2620, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Waterwise, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-699-2620 |
| Primary Part Number | KSD |
| Item Name | Scale Removing Compound |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Waterwise, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KSD PRIMARY | Waterwise, Inc. (USA) |
| 6681224 | Henry Schein, Inc. (USA) |
| 505161 | Mckesson Corporation (USA) |
| KSD | Tuttnauer U.s.a. Co., Ltd. Dba Tuttnauer Usa Co Ltd (USA) |
| Reference | Meaning |
|---|---|
| 6850NCM217620 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1623521 | 5/1 Secondary reference U.S. Government activity |
NSN 6850-01-699-2620 is a Scale Removing Compound, manufactured by Waterwise, Inc., classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-699-2620 has 4 manufacturer part numbers on file: KSD (Waterwise, Inc.), 6681224 (Henry Schein, Inc.), 505161 (Mckesson Corporation), KSD (Tuttnauer U.s.a. Co., Ltd. Dba Tuttnauer Usa Co Ltd).
Key specifications for KSD: Special Features: LIQUID DESCALER COMPOUND F/U WITH MEDICAL GRADE WATER DISTILLERS AND STERILIZERS. SULFAMIC ACID 65-85% AND CITRIC ACID 10-30%. ENVIRONMENTALLY SAFE, BIODEGRADABLE, AND PHOSPHATE-FREE. UI 1 40OZ BOTTLE. REPLACEMENT MATERIAL FOR NSN 6530016952898. OZ; Part Name Assigned by Controlling Agency: DESCALER, F/WATER DISTILLER 40OZ OZ. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC D). 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.