The Reference Standard Kit,calcium, cataloged under National Stock Number 6550-01-386-0680, 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 Beckman Coulter, Inc. The record lists 2 manufacturer part numbers 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 | 6550-01-386-0680 |
| Primary Part Number | 442755 |
| Item Name | Reference Standard Kit,calcium |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Beckman Coulter, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
NSN 6550-01-386-0680 is a Reference Standard Kit,calcium, manufactured by Beckman Coulter, Inc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-386-0680 has 2 manufacturer part numbers on file: 442755 (Beckman Coulter (uk) Ltd), 442755 (Beckman Coulter, Inc).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-4194. Verify interchangeability with system specifications before substitution.
Key specifications for 442755: Special Features: CONTAINS TWO CALCIUM REAGENT CARTRIDGES (2X300), FOR 600 SAMPLES; INTENDED FOR THE QUANTITATIVE DETERMINATION OF CALCIUM CONCENTRATION IN SERUM, PLASMA OR URINE ON THE SYNCHRON CX4CE AND CX7 SYSTEMS. 0 specifications are 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.