The Buzzer, cataloged under National Stock Number 6350-01-392-4144, 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 Mallory Engineering, Inc. Dba Dynamic Metalworks. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-392-4144 |
| Primary Part Number | SC628J |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Mallory Engineering, Inc. Dba Dynamic Metalworks |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Loudness Level in Decibels | 80 DB AT 2 FEET AND 28 VDC VDC |
| Voltage in Volts and Current Type | 6.0 DC AND 28.0 DC |
| Overall Diameter | 1.682 INCHES MINIMUM AND 1.692 INCHES MAXIMUM IN |
| Mounting Method | HOLE(S) |
| Mounting Hole Diameter | 1.25 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2.1OUNCES WEIGHT OZ |
| Inclosure | INCLUDED |
| Action Type | VIBRATING |
| Frequency Rating | 2400.0 HERTZ MINIMUM AND 3400.0 HERTZ MAXIMUM |
| Material | PLASTIC |
| Current Rating in Amps | 3.0 |
| 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 |
|---|---|
| SC628J PRIMARY | Mallory Engineering, Inc. Dba Dynamic Metalworks (USA) |
| Reference | Meaning |
|---|---|
| 6509237 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 6350-01-392-4144 is a Buzzer, manufactured by Mallory Engineering, Inc. Dba Dynamic Metalworks, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-392-4144 has 1 manufacturer part number on file: SC628J (Mallory Engineering, Inc. Dba Dynamic Metalworks).
2 possible matches (shared part number, not a government interchangeability claim): 6350-01-439-6166, 5965-01-608-3353. Verify interchangeability with system specifications before substitution.
Key specifications for SC628J: Mounting Hole Quantity: 1; Loudness Level in Decibels: 80 DB AT 2 FEET AND 28 VDC VDC; Voltage in Volts and Current Type: 6.0 DC AND 28.0 DC; Overall Diameter: 1.682 INCHES MINIMUM AND 1.692 INCHES MAXIMUM IN. 12 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.