The Control Set,human Serum, cataloged under National Stock Number 6550-01-503-3071, 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 Bayer Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 6550-01-503-3071 |
| Primary Part Number | 123521 |
| Item Name | Control Set,human Serum |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Bayer Corp |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 123521 PRIMARY | Bayer Corp (USA) |
NSN 6550-01-503-3071 is a Control Set,human Serum, manufactured by Bayer Corp, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-503-3071 has 1 manufacturer part number on file: 123521 (Bayer Corp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-562-1689. Verify interchangeability with system specifications before substitution.
Key specifications for 123521: Special Features: 5 READY PACK PRIMARY REAGENT PACKS CONTAINING ADVIA CENTUAR CA19-9 LITE REAGENT AND SOLID PHASE ADVIA CENTUAR CA19-9 MASTER CURVE CARD; SAMPLE VOL 75 UL; FOR IN VITRO DIAGNOSTIC USE IN DETERMINATION OF CA19-9 IN HUMAN SERUM AND TO AID IN MANAGEMENT OF GI CARCINOMA USING THE ADVIA CENTUAR CHEMOLUMINESCENCE ANALYZER IN A HOSPITAL/LAB SETTING; US LAW RESTRICTS THIS DEVICE TO SALE AND DISTRIBUTION BY OR ON THE ORDER OF A DR OR TO A CLINICAL LAB; CA19-9 IS A TUMOR ASSOCIATED ANTIGEN WHICH REACTS W/AN ANTIBODY PRODUCED IN RESPONSE TO IMMUNIZATION W/A HUMAN COLON CANCER CELL LINE; ALSO USEFUL IN DETECTING PANCREATIC CANCER IN. 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.