The Alarm Set,personnel Hazard, cataloged under National Stock Number 6350-01-653-5975, 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 Grace Industries, Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-653-5975 |
| Primary Part Number | MS900-R-AC-B-LS |
| Item Name | Alarm Set,personnel Hazard |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Grace Industries, Inc. |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 120.0 AC |
| Visual Signal Type | LAMP |
| Usage Design | LOCAL EMERGENCY NOTIFICATION |
| 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 |
|---|---|
| MS900-R-AC-B-LS PRIMARY | Grace Industries, Inc. (USA) |
NSN 6350-01-653-5975 is a Alarm Set,personnel Hazard, manufactured by Grace Industries, Inc., classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-653-5975 has 1 manufacturer part number on file: MS900-R-AC-B-LS (Grace Industries, Inc.).
Key specifications for MS900-R-AC-B-LS: Voltage in Volts and Current Type: 120.0 AC; Visual Signal Type: LAMP; Special Features: RECEIVED EMERGENCY RADIO SIGNALS FROM GRACE INDUSTRIES' MAN-DOWN ALARMS AND ACTIVATES RELAY CLOSURES;THE RELAYS ARE USED TO ACTIVATE SIRENS, STROBES AND AUTOMATIC TELEPHONE DIALERS TO ALERT OTHERS OF A POTENTIAL SAFETY ISSUE;RECEIVE ONLY, BATTERY BACKUP FOR USE DURING POWER OUTAGES, WITH LIGHT AND SIREN FOR LOCAL EMERGENCY NOTIFICATION; Part Name Assigned by Controlling Agency: MICRO RECEIVER SYSTEM. 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.