The Control Unit,alarm, cataloged under National Stock Number 6350-01-503-6328, 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 Johnson Controls Fire Protection Lp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6350-01-503-6328 |
| Primary Part Number | 4090-9116 |
| Item Name | Control Unit,alarm |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Johnson Controls Fire Protection Lp |
| Status | ACTIVE |
| Functional Description | USE REQUIRES CONNECTION TO A 4100U IDNET COMMUNICATIONS CHANNEL |
| 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 |
|---|---|
| 4090-9116 PRIMARY | Johnson Controls Fire Protection Lp (USA) |
| Reference | Meaning |
|---|---|
| 401-7528488 ITEM 4 | 5/9 Secondary reference Naval Sea Systems Command |
| 401-7528488 ITEM 5 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 6350-01-503-6328 is a Control Unit,alarm, manufactured by Johnson Controls Fire Protection Lp, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-503-6328 has 1 manufacturer part number on file: 4090-9116 (Johnson Controls Fire Protection Lp).
Key specifications for 4090-9116: Special Features: INTERNAL ISOLATION RELAY ALLOWS COMPATIBLE FIRE ALARM CONTROL PANEL TO SEPARATE SHORTED COMMUNICATIONS WIRING FROM FUNCTIONING WIRING; ISOLATOR'S STATUS IS COMMUNICATED TO CONTROL PANEL; REQUIRES STANDARD 4 INCH SQUARE ELECTRICAL BOX MOUNTING AND CONSUMES ONE UNIT LOAD, POWER SUPPLIED FROM 4100U IDNET IN; Functional Description: USE REQUIRES CONNECTION TO A 4100U IDNET COMMUNICATIONS CHANNEL; Part Name Assigned by Controlling Agency: ADDRESSABLE IDNET ISOLATOR; End Item Identification: ALARM SYSFIRE. 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.