The Buzzer, cataloged under National Stock Number 6350-01-331-1071, 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 Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Buzzer |
| FSC / FSG | 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems (FSG 63) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 03956) |
| Parameter | Value |
|---|---|
| NSN | 6350-01-331-1071 |
| Primary Part Number | 1809020-2 |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 1809020-2 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1977615 FIND 7 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1809020-2 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| 1809020 | 5/1 Secondary reference Northrop Grumman Systems Corporation |
| XC-04-212-T | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 6350-01-331-1071 is a Buzzer, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-331-1071 has 1 manufacturer part number on file: 1809020-2 (Northrop Grumman Systems Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-484-0030, 5310-01-484-0032, 5310-01-484-0035. Verify interchangeability with system specifications before substitution.
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.