The Formaldehyde Solution, cataloged under National Stock Number 6550-01-693-3856, is classified within Federal Supply Class 6550 (In Vitro Diagnostic Substances, Reagents, Test Kits and Sets) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Cardinal Health 200, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6550-01-693-3856 |
| Primary Part Number | C4320-240B |
| Item Name | Formaldehyde Solution |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Cardinal Health 200, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| C4320-240B | Cardinal Health 200, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6550NCM216862 | 5/1 Secondary reference Defense Medical Standardization Board |
| C4320-240B | 3/9 Design control — primary reference Thermo Fisher Scientific Inc. Div Thermo Asset Management Services, Inc. |
| 1590203 | 5/1 Secondary reference U.S. Government activity |
NSN 6550-01-693-3856 is a Formaldehyde Solution, manufactured by Cardinal Health 200, Llc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-693-3856 has 1 manufacturer part number on file: C4320-240B (Cardinal Health 200, Llc).
Key specifications for C4320-240B: Special Features: PRE-FILLED 10% NEUTRAL BUFFERED FORMALIN PREFILLED SPECIMEN CONTAINER, 480/240 ML FILL, POLYPROPYLENE, PRESSURE-SENSITIVE INNER SEAL, WIDE MOUTH.; Part Name Assigned by Controlling Agency: CONTAINER PRE-FILLED 10% NEUTRAL BUFFERED FORMALIN 480/240ML POLYPROPYLENE W/O S. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.