The Buzzer, cataloged under National Stock Number 6350-00-388-4403, is classified within Federal Supply Class 6350 (No Item Name Available) of the Alarm, Signal, and Security Detection Systems group. The primary manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6350-00-388-4403 |
| Primary Part Number | 203-2-1 |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp |
| Status | CANCELLED |
| Material | STEEL |
| Voltage in Volts and Current Type | 14.0 DC AND 40.0 DC |
| Environmental Protection | WATER REPELLENT |
| Mounting Hole Quantity | 4 |
| Surface Treatment | ZINC AND PAINT |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Action Type | VIBRATING |
| Mounting Hole Diameter | 0.180 INCHES NOMINAL IN |
| Inclosure | INCLUDED |
| Center to Center Distance Between Mounting Holes | 2.125 INCHES NOMINAL IN |
| Mounting Method | HOLE(S) |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D142089 | American Telephone and Telegraph Co (USA) |
| GA52240 | American Telephone and Telegraph Co (USA) |
| 4300708-001 | C Systems Llc Dba Craig Systems Dba Eastern Technologies (USA) |
| 203-2-1 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA) |
| 6488100 | International Business Machines Corporation Dba IBM (USA) |
| 8019756 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 100 014 398 | American Telephone and Telegraph Co (USA) |
| 7AW | At and T Corp (USA) |
| 6488100 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| 7AWBUZZER | American Telephone and Telegraph Co (USA) |
| D142089 | At and T Corp (USA) |
| 8019756 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 7AW | American Telephone and Telegraph Co (USA) |
| 03-2-1 | Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA) |
| 7AW | Lucent Technologies Inc Corporate Headquarters (USA) |
| TYPE7AV4 | C Systems Llc Dba Craig Systems Dba Eastern Technologies (USA) |
| 10300077 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 100 014 398 | Lucent Technologies Inc Corporate Headquarters (USA) |
NSN 6350-00-388-4403 is a Buzzer, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 6350 (No Item Name Available). Status: cancelled.
NSN 6350-00-388-4403 has 18 cross-referenced part numbers: D142089 (American Telephone and Telegraph Co), GA52240 (American Telephone and Telegraph Co), 4300708-001 (C Systems Llc Dba Craig Systems Dba Eastern Technologies), 203-2-1 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 6488100 (International Business Machines Corporation Dba IBM) and 13 more.
There are 12 known substitutes for 6350-00-388-4403: 5935-00-097-3172, 3110-00-120-4287, 3110-00-156-1916 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 203-2-1: Overall Height: 1.138 INCHES NOMINAL IN; Material: STEEL; Voltage in Volts and Current Type: 14.0 DC AND 40.0 DC; Environmental Protection: WATER REPELLENT. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 6350-00-388-4403 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.