The Chemical Corrosion, cataloged under National Stock Number 6850-01-603-7997, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Harry Miller Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6850-01-603-7997 |
| Primary Part Number | RUST VETO 4222 S |
| Item Name | Chemical Corrosion |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Harry Miller Corporation |
| Status | ACTIVE |
| Supplementary Features | 1 GALLON JUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RUST VETO 4222 S PRIMARY | Harry Miller Corporation (USA) |
| 4222-S 1-GALLON | Sdb Consultants, Ltd. Dba Sdb Consultants Ltd (USA) |
| Reference | Meaning |
|---|---|
| STEELGARD 1926-BW (1 GALLON) | 3/9 Design control — primary reference Harry Miller Corporation |
| S1926-BW (1 GALLON) | 5/9 Secondary reference Harry Miller Corporation |
| STEELGARD 1926-BW | 5/9 Secondary reference Harry Miller Corporation |
| S1926-BW | 5/9 Secondary reference Harry Miller Corporation |
NSN 6850-01-603-7997 is a Chemical Corrosion, manufactured by Harry Miller Corporation, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-603-7997 has 2 manufacturer part numbers on file: RUST VETO 4222 S (Harry Miller Corporation), 4222-S 1-GALLON (Sdb Consultants, Ltd. Dba Sdb Consultants Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6850-01-611-8050. Verify interchangeability with system specifications before substitution.
Key specifications for RUST VETO 4222 S: Supplementary Features: 1 GALLON JUG; Special Features: WATER SOLUBLE OIL; BROWN LIQUID; HEAVY METAL FREE, APPLICATION TYPE: COLD, 1-GALLON EACH UNIT PACKAGE, DESIGNED FOR PREVENTION CORROSION ON STEEL AND NON-FERROUS METALS INDOORS FOR UP TO 6-MONTHS, 1-GALLON JUG.. 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.