The Inhibitor,corrosion,petroleum Fu, cataloged under National Stock Number 6850-01-627-4812, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Innospec Fuel Specialties Llc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6850-01-627-4812 |
| Primary Part Number | DCI-4A 50/50-55 GL DR |
| Item Name | Inhibitor,corrosion,petroleum Fu |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Innospec Fuel Specialties Llc |
| Status | ACTIVE |
| Level of Dermal Irritation Potential | MODERATE |
| Hazardous Substances | ETHYLBENZENE AND XYLENE |
| Quantity Within Each Unit Package | 55.00 GALLONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DCI-4A 50/50-55 GL DR PRIMARY | Innospec Fuel Specialties Llc (USA) |
| Reference | Meaning |
|---|---|
| MIL-PRF-25017 | 4/1 Identification reference U.S. Government activity |
NSN 6850-01-627-4812 is a Inhibitor,corrosion,petroleum Fu, manufactured by Innospec Fuel Specialties Llc, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-627-4812 has 1 manufacturer part number on file: DCI-4A 50/50-55 GL DR (Innospec Fuel Specialties Llc).
1 possible match (shared part number, not a government interchangeability claim): 9140-01-628-6264. Verify interchangeability with system specifications before substitution.
Key specifications for DCI-4A 50/50-55 GL DR: Level of Dermal Irritation Potential: MODERATE; Hazardous Substances: ETHYLBENZENE AND XYLENE; Quantity Within Each Unit Package: 55.00 GALLONS; Special Features: PHYSICAL STATE: LIQUID (CLEAR); ODOR: AROMATIC; FLASH POINT: CLOSED CUP 31.00 DEG. C.; AUTO IGNITION TEMPERATURE: 431.85 DEG. C. TO 459.85 DEG. C.; COLOR: BROWN/AMBER; FLAMMABLE LIMITS: 1.00% TO 7.00%; BOILING POINT: 136.05 DEG. C.; SPECIFIC GRAVITY: 0.9091; DENSITY: 7.58 LBS/GAL; VAPOR PRESSURE: 1.20KPA; VAPOR DENSITY: 3.7; EVAPORATION RATE: 0.84; VISCOSITY: 1.62 CM2/S; INSOLUBLE IN WATER; HAZARDOUS POLYMERIZATION WILL NOT OCCUR; AVOID OXIDIZING MATERIALS; LBS. 3 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.