The Bell,electrical, cataloged under National Stock Number 6350-00-226-4544, 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 Cooper Wheelock, Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6350-00-226-4544 |
| Primary Part Number | BZ104A |
| Item Name | Bell,electrical |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Cooper Wheelock, Inc. |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Sound Chamber Type | RESONATING |
| Voltage in Volts and Current Type | 24.0 DC |
| Design Type | BAR GONG |
| Tone Adjustability | NONADJUSTABLE |
| Center to Center Distance Between Mounting Holes | 3.375 INCHES NOMINAL IN |
| Mounting Method | BULKHEAD |
| Sound Chamber Overall Length | 4.375 INCHES NOMINAL IN |
| Quantity | 1 |
| Mounting Hole Diameter | 0.375 INCHES NOMINAL IN |
| Sound Chamber Overall Height | 0.093 INCHES NOMINAL IN |
| Features Provided | INCLOSURE |
| Sound Chamber Overall Width | 1.375 INCHES NOMINAL IN |
| Action Type | SINGLE STROKE |
| Surface Treatment | PAINT |
| Material | ALUMINUM |
| Usage Design | FOR EC-135 AND E4 AIRCRAFT |
| 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 |
|---|---|
| BZ104A PRIMARY | Cooper Wheelock, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 712T | 5/1 Secondary reference Cooper Wheelock, Inc. |
| BZ104 | 5/9 Secondary reference Cooper Wheelock, Inc. |
NSN 6350-00-226-4544 is a Bell,electrical, manufactured by Cooper Wheelock, Inc., classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-00-226-4544 has 1 manufacturer part number on file: BZ104A (Cooper Wheelock, Inc.).
Key specifications for BZ104A: Mounting Hole Quantity: 4; Overall Height: 2.562 INCHES NOMINAL IN; Sound Chamber Type: RESONATING; Voltage in Volts and Current Type: 24.0 DC. 17 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.