The Reference Standard Kit,serum, cataloged under National Stock Number 6550-01-310-8322, 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 Roche Analytical Instruments Inc Sub of Hoffmann-La Roche Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6550-01-310-8322 |
| Primary Part Number | 44157 |
| Item Name | Reference Standard Kit,serum |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Roche Analytical Instruments Inc Sub of Hoffmann-La Roche Inc |
| Status | ACTIVE |
| Component Quantity | 20 |
| Nonsupply Items and Quantities | 3.0 ML VIALS OF SINGLE LEVEL LYOPHILIZED HUMAN SERUM BASED CALIBRATION 10; 4.0 ML BOTTLES DILUENT 10 |
| 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 |
|---|---|
| 44157 PRIMARY | Roche Analytical Instruments Inc Sub of Hoffmann-La Roche Inc (USA) |
| Reference | Meaning |
|---|---|
| COBAS CALIBRATOR SERUM | 5/1 Secondary reference Roche Analytical Instruments Inc Sub of Hoffmann-La Roche Inc |
| 44406 | 5/9 Secondary reference Roche Analytical Instruments Inc Sub of Hoffmann-La Roche Inc |
| F89F361 | 5/1 Secondary reference Air Force Medical Logistics Office |
NSN 6550-01-310-8322 is a Reference Standard Kit,serum, manufactured by Roche Analytical Instruments Inc Sub of Hoffmann-La Roche Inc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-310-8322 has 1 manufacturer part number on file: 44157 (Roche Analytical Instruments Inc Sub of Hoffmann-La Roche Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-359-8072, 5120-01-398-7729, 5133-01-625-1714. Verify interchangeability with system specifications before substitution.
Key specifications for 44157: Component Quantity: 20; Nonsupply Items and Quantities: 3.0 ML VIALS OF SINGLE LEVEL LYOPHILIZED HUMAN SERUM BASED CALIBRATION 10; 4.0 ML BOTTLES DILUENT 10; Special Features: FOR USE W/COBAS MIRA CHEMISTRY ANALYZER; Part Name Assigned by Controlling Agency: REFERENCE STD KIT SERUM F/USE W/COBAS MIRA CHEMISTRY ANALYZER. 2 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.