The Alpha Naphthol a Reagent, cataloged under National Stock Number 6550-01-224-0164, 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 Siemens Healthcare Diagnostics Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6550-01-224-0164 |
| Primary Part Number | B1010-42A |
| Item Name | Alpha Naphthol a Reagent |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Siemens Healthcare Diagnostics Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALPHA NAPHTHOL A REAGENT 5%; 1.5 GM; USED WITH MICROSCAN SYSTEMS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| B1010-42A PRIMARY | Siemens Healthcare Diagnostics Inc (USA) |
| B-1010-42A PRIMARY | Beckman Coulter, Inc (USA) |
| Reference | Meaning |
|---|---|
| B1010-42 | 5/9 Secondary reference Baxter Healthcare Corp Baxter Scientific Products Div Government Sales |
NSN 6550-01-224-0164 is a Alpha Naphthol a Reagent, manufactured by Siemens Healthcare Diagnostics Inc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-224-0164 has 2 manufacturer part numbers on file: B1010-42A (Siemens Healthcare Diagnostics Inc), B-1010-42A (Beckman Coulter, Inc).
Key specifications for B1010-42A: General Characteristics Item Description: ALPHA NAPHTHOL A REAGENT 5%; 1.5 GM; USED WITH MICROSCAN SYSTEMS.; Part Name Assigned by Controlling Agency: ALPHA NAPHTHOL A REAGENT, 5%, 1.5 GM; USED WITH MICRO-SCAN SYSTEMS. 1 specification is 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.