The Buzzer, cataloged under National Stock Number 6350-01-149-8863, 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 Projects Unlimited Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-149-8863 |
| Primary Part Number | AI-250 |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Projects Unlimited Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Voltage in Volts and Current Type | 12.0 DC |
| Overall Diameter | 0.865 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes | 1.102 INCHES NOMINAL IN |
| Mounting Method | BULKHEAD |
| Mounting Hole Diameter | 0.105 INCHES NOMINAL IN |
| Inclosure | INCLUDED |
| Frequency Rating | 3600.0 HERTZ NOMINAL |
| Material | PLASTIC |
| 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 |
|---|---|
| AI-250 PRIMARY | Projects Unlimited Inc (USA) |
| Reference | Meaning |
|---|---|
| 6350PL1200236 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 6350-01-149-8863 is a Buzzer, manufactured by Projects Unlimited Inc, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-149-8863 has 1 manufacturer part number on file: AI-250 (Projects Unlimited Inc).
Key specifications for AI-250: Mounting Hole Quantity: 2; Voltage in Volts and Current Type: 12.0 DC; Overall Diameter: 0.865 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes: 1.102 INCHES NOMINAL IN. 9 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.