The Buzzer, cataloged under National Stock Number 6350-01-689-5268, 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 Grace W R and Co Dearborn Div. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-689-5268 |
| Primary Part Number | SC628HR |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Grace W R and Co Dearborn Div |
| Status | ACTIVE |
| Loudness Level in Decibels | 80DBA |
| Voltage in Volts and Current Type | 28.0 AC |
| Frequency Rating | 4.5 KILOHERTZ NOMINAL |
| Current Rating in Amps | 0.023 |
| 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 |
|---|---|
| SC628HR PRIMARY | Grace W R and Co Dearborn Div (USA) |
NSN 6350-01-689-5268 is a Buzzer, manufactured by Grace W R and Co Dearborn Div, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-689-5268 has 1 manufacturer part number on file: SC628HR (Grace W R and Co Dearborn Div).
Key specifications for SC628HR: Overall Height: 1.41 INCHES NOMINAL IN; Loudness Level in Decibels: 80DBA; Voltage in Volts and Current Type: 28.0 AC; Overall Length: 1.69 INCHES NOMINAL IN. 4 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.