The Buzzer, cataloged under National Stock Number 6350-01-183-9425, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Howell Laboratories Inc Dba Howell Laboratories Inc (CAGE 22501) |
| Parameter | Value |
|---|---|
| NSN | 6350-01-183-9425 |
| Primary Part Number | 3909-G502 |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories 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 |
|---|---|
| 5703 ITEM 21 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 3909-G502 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 3909B-G502 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5670 ITEM 21 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
| 3909BG502 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
| 6286 PIECE 16 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
| 4737 PIECE 16 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 6350-01-183-9425 is a Buzzer, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-183-9425 has 2 manufacturer part numbers on file: 5703 ITEM 21 (Howell Laboratories Inc Dba Howell Laboratories Inc), 3909-G502 (Howell Laboratories Inc Dba Howell Laboratories 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.