The Buzzer, cataloged under National Stock Number 6350-01-172-2381, 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 E. D. Bullard Company Dba Ed Bullard Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6350-01-172-2381 |
| Primary Part Number | MPAII/97 |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | E. D. Bullard Company Dba Ed Bullard Co |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Overall Diameter | 3.030 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes | 3.220 INCHES NOMINAL IN |
| Mounting Method | HOLE(S) |
| Mounting Hole Diameter | 0.265 INCHES NOMINAL IN |
| Inclosure | INCLUDED |
| Action Type | VIBRATING |
| 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 |
|---|---|
| MPAII/97 PRIMARY | E. D. Bullard Company Dba Ed Bullard Co (USA) |
| Reference | Meaning |
|---|---|
| 27943-000-00 | 7/2 Vendor item drawing reference U.S. Government activity |
| MPA11 | 5/9 Secondary reference E. D. Bullard Company Dba Ed Bullard Co |
NSN 6350-01-172-2381 is a Buzzer, manufactured by E. D. Bullard Company Dba Ed Bullard Co, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-172-2381 has 1 manufacturer part number on file: MPAII/97 (E. D. Bullard Company Dba Ed Bullard Co).
Key specifications for MPAII/97: Mounting Hole Quantity: 2; Overall Height: 2.210 INCHES NOMINAL IN; Overall Diameter: 3.030 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes: 3.220 INCHES NOMINAL IN. 7 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.