The Additive,fuel,valve Protection, cataloged under National Stock Number 6850-01-620-2553, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Lubrizol Corp. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-620-2553 |
| Primary Part Number | 8411A |
| Item Name | Additive,fuel,valve Protection |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Lubrizol Corp |
| Status | ACTIVE |
| Minimum Flash Point | 72.0 DEG CELSIUS |
| Fuel Grade Classification | DIESEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8411A PRIMARY | Lubrizol Corp (USA) |
NSN 6850-01-620-2553 is a Additive,fuel,valve Protection, manufactured by Lubrizol Corp, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-620-2553 has 1 manufacturer part number on file: 8411A (Lubrizol Corp).
Key specifications for 8411A: Minimum Flash Point: 72.0 DEG CELSIUS; Special Features: POUR POINT -54 DEG C, DARK COLORED LIQUID DEGC; Fuel Grade Classification: DIESEL; Part Name Assigned by Controlling Agency: LUBRIZOL (MARINE FUEL ADDITIVE). 2 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.