The Calibration Fluid, cataloged under National Stock Number 6850-01-143-4525, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6850-01-143-4525 |
| Item Name | Calibration Fluid |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Status | ACTIVE |
| General Characteristics Item Description | LIGHT YELLOW LIQUID; 30 GALLON DRUM |
| Functional Description | USED FOR TESTING DIESEL PUMPS OR INJECTORS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| J-967 | 5/9 Secondary reference U.S. Government activity |
| J-26400-SB | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| 3375365 | 5/9 Secondary reference Cummins Inc. |
| J-967 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 6850-01-143-4525 is a Calibration Fluid, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6850-01-234-2260. Verify interchangeability with system specifications before substitution.
Key specifications for 6850-01-143-4525: General Characteristics Item Description: LIGHT YELLOW LIQUID; 30 GALLON DRUM; Functional Description: USED FOR TESTING DIESEL PUMPS OR INJECTORS. 2 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.