The Buzzer, cataloged under National Stock Number 6350-01-551-2144, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-551-2144 |
| Primary Part Number | 77C721350P2 |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Mounting Method | HOLE(S) |
| Inclosure | INCLUDED |
| Action Type | VIBRATING |
| Material | ALUMINUM |
| 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 |
|---|---|
| 77C721350P2 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 77C721350P002 | Lockheed Martin Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 77C721350P002 | 5/9 Secondary reference Lockheed Martin Australia Electronic Systems Pty Ltd |
NSN 6350-01-551-2144 is a Buzzer, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-551-2144 has 2 manufacturer part numbers on file: 77C721350P2 (Lockheed Martin Corporation Div Rms), 77C721350P002 (Lockheed Martin Australia Pty Ltd).
Key specifications for 77C721350P2: Mounting Hole Quantity: 2; Mounting Method: HOLE(S); Inclosure: INCLUDED; Action Type: VIBRATING. 5 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.