The Annunciator, cataloged under National Stock Number 6350-01-505-6891, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-505-6891 |
| Primary Part Number | 164-9425 |
| Item Name | Annunciator |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Audible Signal Type | HORN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6350-01-505-6891 is a Annunciator, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-505-6891 has 4 manufacturer part numbers on file: 164-9425 (Westrac Equipment Pty Ltd), 164-9425 (Caterpillar Inc Div Caterpillar Defense), 164-9425 (Hastings Deering (aust) Pty Ltd), 164-9425 (William Adams Pty Ltd).
Key specifications for 164-9425: Audible Signal Type: HORN; End Item Identification: 428D LOADER/BACKHOE. 1 specification is 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.