The Phosphate Buffered Saline, cataloged under National Stock Number 6550-01-678-7204, 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 Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6550-01-678-7204 |
| Primary Part Number | D8537-500ML |
| Item Name | Phosphate Buffered Saline |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc |
| 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 | EA |
| Part Number | Manufacturer |
|---|---|
| D8537-500ML PRIMARY | Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6550NCM194672 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1543150 | 5/1 Secondary reference U.S. Government activity |
NSN 6550-01-678-7204 is a Phosphate Buffered Saline, manufactured by Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-678-7204 has 1 manufacturer part number on file: D8537-500ML (Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-727-4981. Verify interchangeability with system specifications before substitution.
Key specifications for D8537-500ML: Special Features: DULBECCO'S PHOSPHATE BUFFERED SALINE DPBS, MODIFIED, WITHOUT CALCIUM CHLORIDE AND MAGNESIUM CHLORIDE, LIQUID, STERILE-FILTERED, SUITABLE FOR CELL CULTURE, CLEAR, SOLUTION, PH 7.1 - 7.5; Part Name Assigned by Controlling Agency: DULBECCO'S PHOSPHATE BUFFERED SALINE, 500ML. 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.