The Sensitivity Discs,diagnostic, cataloged under National Stock Number 6550-01-450-0811, 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 Becton, Dickinson and Company Dba Becton Dickinson & Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: PG.
| Parameter | Value |
|---|---|
| NSN | 6550-01-450-0811 |
| Primary Part Number | 231645 |
| Item Name | Sensitivity Discs,diagnostic |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Becton, Dickinson and Company Dba Becton Dickinson & Co |
| 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 |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| 231645 PRIMARY | Becton, Dickinson and Company Dba Becton Dickinson & Co (USA) |
| 231645 | Becton Dickinson France (FRA) |
| Reference | Meaning |
|---|---|
| 97-0711 | 5/1 Secondary reference U.S. Government activity |
| 4331645 | 5/9 Secondary reference Becton-Dickinson and Co Microbiology Systems Div |
NSN 6550-01-450-0811 is a Sensitivity Discs,diagnostic, manufactured by Becton, Dickinson and Company Dba Becton Dickinson & Co, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-450-0811 has 2 manufacturer part numbers on file: 231645 (Becton, Dickinson and Company Dba Becton Dickinson & Co), 231645 (Becton Dickinson France).
2 possible matches (shared part number, not a government interchangeability claim): 6550-01-560-5659, 2540-01-659-7857. Verify interchangeability with system specifications before substitution.
Key specifications for 231645: Special Features: IMIPENEM; 10 MCG; 10'S; Part Name Assigned by Controlling Agency: SENSITIVITY DISCS DIAGNOSTIC NORLFOXACIN 10MCG 10S. 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.