The Alarm-Monitor, cataloged under National Stock Number 6350-01-489-0357, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-489-0357 |
| Primary Part Number | 256-7285223PN259 |
| Item Name | Alarm-Monitor |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| AC Voltage Rating | 30.0 VOLTS MINIMUM AND 120.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Frequency Rating | 2900.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Alarm Type | BUZZER |
| 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 |
|---|---|
| 256-7285223PN259 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SC110M | 3/2 Design control — primary reference U.S. Government activity |
| SC110M | 3/9 Design control — primary reference Yosemite Investment Inc Dba North American Capacitor Co |
NSN 6350-01-489-0357 is a Alarm-Monitor, manufactured by Naval Sea Systems Command, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-489-0357 has 1 manufacturer part number on file: 256-7285223PN259 (Naval Sea Systems Command).
Key specifications for 256-7285223PN259: AC Voltage Rating: 30.0 VOLTS MINIMUM AND 120.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Special Features: RATED MEDIUM ON LOUDNESS CATEGORY; PANEL MOUNTED; SOUND PRESSURE DB (A) AT TWO FEET IS 68 AT MINIMUM VOLTAGE TO 80 AT MAXIMUM VOLTAGE; OPERATING CURRENT (MA) IS 4 AT MINIMUM VOLTAGE TO 16 AT MAXIMUM VOLTAGE; HAS BLACK PLASTIC CASE, AND BLACK ANODIZED ALUMINUM MOUNTING NUT; EXPOSED SURFACE OF SOUND TRANSDUCER IS TREATED WITH CORROSION PROTECTIVE COATING; TERMINALS ARE TIN PLATED BRASS WITH NICKEL PLATED 6-32 SCREWS; LIFE EXPECTANCY IS 10 YEARS UNDER NORMAL OPERATING CONDITIONS; OPERATING TEMPERATURES BETWEEN -40 DEGREES (C) AND +85 DEGREES (C); ALTITUDE CHANGE IS 10,00 FEET PER MINUTE MAXIMUM FT; Frequency Rating: 2900.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Part Name Assigned by Controlling Agency: AUDIBLE SIGNAL DEVICE. 3 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.