The Reference Standard Set,mcfarland, cataloged under National Stock Number 6550-01-385-9795, is classified within Federal Supply Class 6550 (In Vitro Diagnostic Substances, Reagents, Test Kits and Sets) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6550-01-385-9795 |
| Item Name | Reference Standard Set,mcfarland |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Status | ACTIVE |
| Component Quantity | 10 |
| Disposition After Initial Use | DISPOSABLE |
| Nonsupply Items and Quantities | MCFARLAND BARIUM CHLORIDE/SULFURIC ACID TURBIDITY STANDARDS NO. 0.5 AND NOS. 1 THROUGH 9 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 900.610 | 3/9 Design control — primary reference Microbio Products Inc |
NSN 6550-01-385-9795 is a Reference Standard Set,mcfarland, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5925-01-549-1981. Verify interchangeability with system specifications before substitution.
Key specifications for 6550-01-385-9795: Component Quantity: 10; Disposition After Initial Use: DISPOSABLE; Nonsupply Items and Quantities: MCFARLAND BARIUM CHLORIDE/SULFURIC ACID TURBIDITY STANDARDS NO. 0.5 AND NOS. 1 THROUGH 9; Special Features: 16X125 MM TUBES CONTAIN THE APPROPRITE STANDARD; STORE AT 2 TO 8 DEGRESS C AND AVOIS PROLONGED EXPOSURE TO LIGHT. 3 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.