The Cleaner,membrane, cataloged under National Stock Number 6850-01-446-9489, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Betzdearborn, a Division of Hercules, Inc. Dba Betzdearborn Div Betzdearborn. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6850-01-446-9489 |
| Primary Part Number | KLEEN MCT 403 |
| Item Name | Cleaner,membrane |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Betzdearborn, a Division of Hercules, Inc. Dba Betzdearborn Div Betzdearborn |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KLEEN MCT 403 PRIMARY | Betzdearborn, a Division of Hercules, Inc. Dba Betzdearborn Div Betzdearborn (USA) |
| KLEEN MCT 403 PRIMARY | Veolia Wts Usa, Inc. Dba Ge Water & Process Technologies (USA) |
| Reference | Meaning |
|---|---|
| KLEEN MCT 403 | 5/9 Secondary reference Betz Dearborn Div of Hercules Dba Argo Scientific Inc |
| IPA403 | 5/9 Secondary reference Betz Dearborn Div of Hercules Dba Argo Scientific Inc |
NSN 6850-01-446-9489 is a Cleaner,membrane, manufactured by Betzdearborn, a Division of Hercules, Inc. Dba Betzdearborn Div Betzdearborn, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-446-9489 has 2 manufacturer part numbers on file: KLEEN MCT 403 (Betzdearborn, a Division of Hercules, Inc. Dba Betzdearborn Div Betzdearborn), KLEEN MCT 403 (Veolia Wts Usa, Inc. Dba Ge Water & Process Technologies).
Key specifications for KLEEN MCT 403: Special Features: WHITE GRANULAR POWDER. 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.