The Sodium Metabisulfite, cataloged under National Stock Number 6810-00-281-4255, is classified within Federal Supply Class 6810 (Chemicals) of the Chemicals and Chemical Products group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6810-00-281-4255 |
| Item Name | Sodium Metabisulfite |
| FSC / FSG | 6810 / 68 — Chemicals |
| Status | ACTIVE |
| Medical Designation and Grade | AMERICAN CHEMICAL SOCIETY |
| Composition and Percentage | 97.0 MINIMUM BY WEIGHT SODIUM METABISULFITE |
| Quantity Within Each Unit Package | 25.000 POUNDS LBS |
| Physical Form | CRYSTAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 73552 | 3/1 Design control — primary reference Avantor Performance Materials, Inc. |
| O-C-265 | 5/9 Secondary reference U.S. Government activity |
| A-A-59282 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 6810-00-281-4255 is a Sodium Metabisulfite, classified under FSC 6810, Chemicals. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-113-5361, 4140-01-185-5044. Verify interchangeability with system specifications before substitution.
Key specifications for 6810-00-281-4255: Medical Designation and Grade: AMERICAN CHEMICAL SOCIETY; Composition and Percentage: 97.0 MINIMUM BY WEIGHT SODIUM METABISULFITE; Quantity Within Each Unit Package: 25.000 POUNDS LBS; Physical Form: CRYSTAL. 4 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.