The Scale Removing Compound, cataloged under National Stock Number 6850-01-509-0819, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-509-0819 |
| Item Name | Scale Removing Compound |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| DYNAMIC DESCALER | 5/9 Secondary reference Space Chemical, Inc Dba Space Manufacturing |
| FREE FLO 34/5 GL | 3/9 Design control — primary reference Randall Industries Llc |
NSN 6850-01-509-0819 is a Scale Removing Compound, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6850-01-509-0820. Verify interchangeability with system specifications before substitution.
Key specifications for 6850-01-509-0819: Special Features: ACIDIC DESCALING SOLUTION TO CHEMICALLY CLEAN HEAT EXCHANGERS. 0 specifications are 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.