The Orthophosphoric Acid, cataloged under National Stock Number 6810-00-264-6722, is classified within Federal Supply Class 6810 (Chemicals) of the Chemicals and Chemical Products group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6810-00-264-6722 |
| Item Name | Orthophosphoric Acid |
| FSC / FSG | 6810 / 68 — Chemicals |
| Status | ACTIVE |
| Specific Gravity Value | 1.690 MINIMUM |
| Substance/water Temp at Specific Gravity Ratio | 20.0 DEG CELSIUS AND 4.0 DEG CELSIUS |
| Medical Designation and Grade | TECHNICAL |
| Composition and Percentage | 85.0 MINIMUM BY WEIGHT PHOSPHORIC ACID |
| Quantity Within Each Unit Package | 7.000 POUNDS LBS |
| Nondefinitive Spec/std Data | 1 CLASS |
| Physical Form | LIQUID |
| Special Handling Feature | HAZARDOUS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| O-O-670 | 5/9 Secondary reference U.S. Government activity |
| A-A-55820 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 6810-00-264-6722 is a Orthophosphoric Acid, classified under FSC 6810, Chemicals. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6810-00-823-8004, 6810-01-244-7686. Verify interchangeability with system specifications before substitution.
Key specifications for 6810-00-264-6722: Specific Gravity Value: 1.690 MINIMUM; Substance/water Temp at Specific Gravity Ratio: 20.0 DEG CELSIUS AND 4.0 DEG CELSIUS; Medical Designation and Grade: TECHNICAL; Composition and Percentage: 85.0 MINIMUM BY WEIGHT PHOSPHORIC ACID. 8 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.