The Buzzer, cataloged under National Stock Number 6350-01-306-8128, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Buzzer |
| FSC / FSG | 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems (FSG 63) |
| Manufacturers | Projects Unlimited Inc (CAGE 04597) |
| Parameter | Value |
|---|---|
| NSN | 6350-01-306-8128 |
| Primary Part Number | X-4028-P-C32-R |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Projects Unlimited Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| X-4028-P-C32-R PRIMARY | Projects Unlimited Inc (USA) |
| Reference | Meaning |
|---|---|
| 48-168 | C/1 Advisory reference — outside the item-of-supply concept Ross Laboratories, Inc. |
| X-20K | 5/9 Secondary reference Projects Unlimited Inc |
| 46050044-000 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6350-01-306-8128 is a Buzzer, manufactured by Projects Unlimited Inc, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-306-8128 has 1 manufacturer part number on file: X-4028-P-C32-R (Projects Unlimited Inc).
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.