The Module,monitor, cataloged under National Stock Number 5999-01-467-2371, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-01-467-2371 |
| Item Name | Module,monitor |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| General Characteristics Item Description | THE M501MF MONITOR MODULE (MINI MODULE) IS AN ANALOG ADDRESSABLE DEVICE USED TO ASSIGN AN ADDRESS OR MONITOR FIRE ALARM OR SUPERVISORY INITIATING DEVICE CONTACTS; THE M501MF SUPERVISES ANY DRY CONTACT INITIATING DEVICE; THE MONITOR MODULE IS POLLED BY THE CM1(N) OR CM2(N) VIA THE ZAS-1 CARD; THE M501MF HAS A CLASS B (STYLE B) INITIATING DEVICE CIRCUIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M501MF | 3/9 Design control — primary reference Edwards Systems Technology |
NSN 5999-01-467-2371 is a Module,monitor, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-467-2371: General Characteristics Item Description: THE M501MF MONITOR MODULE (MINI MODULE) IS AN ANALOG ADDRESSABLE DEVICE USED TO ASSIGN AN ADDRESS OR MONITOR FIRE ALARM OR SUPERVISORY INITIATING DEVICE CONTACTS; THE M501MF SUPERVISES ANY DRY CONTACT INITIATING DEVICE; THE MONITOR MODULE IS POLLED BY THE CM1(N) OR CM2(N) VIA THE ZAS-1 CARD; THE M501MF HAS A CLASS B (STYLE B) INITIATING DEVICE CIRCUIT; Special Features: THE MONITOR MODULE MAY BE USED TO SUPERVISE A SINGLE INITIATING DEVICE OR A ZONE OF INITIATING DEVICES; EACH MONITOR MODULE CONTAINS ADDRESS SWITCHES TO SET A UNIQUE ADDRESS OR INPUT POINT FOR PROGRAMMING OR CONTROL BY THE SYSTEM; THE M501MF IS MOUNTED IN A STANDARD SINGLE GANG ELECTRICAL BOX; THE M501MF MOUNTS IN THE ELECTRICAL BOX AND THE DEVICE THAT IT IS SUPERVISING IS INSTALLED ON THE ELECTRICAL BOX. 1 specification is 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.