The Buzzer, cataloged under National Stock Number 6350-01-488-7688, 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 Bell Floyd Associates Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6350-01-488-7688 |
| Primary Part Number | US-09-515-Q |
| Item Name | Buzzer |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Bell Floyd Associates Inc |
| Status | ACTIVE |
| Loudness Level in Decibels | 100 MIN DB AND 109 MAX DB AT 2 FEET FT |
| Terminal Type | LUG |
| Overall Diameter | 1.420 INCHES NOMINAL IN |
| Special Test Features | 94V-0 FLAME CLASS RATING V |
| Mounting Method | HOLE(S) |
| Inclosure | INCLUDED |
| Environmental Protection | FLAME RESISTANT AND CORROSION RESISTANT |
| Frequency Rating | 1900.0 HERTZ MINIMUM AND 2300.0 HERTZ MAXIMUM |
| Material | STEEL CORROSION RESISTING AND POLYPHENYLENE ETHER PLASTIC |
| 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 |
|---|---|
| US-09-515-Q PRIMARY | Bell Floyd Associates Inc (USA) |
| 1813783-2 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| PL 4800057 ITEM.12 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| UC-09-515-Q | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 6350-01-488-7688 is a Buzzer, manufactured by Bell Floyd Associates Inc, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-488-7688 has 2 manufacturer part numbers on file: US-09-515-Q (Bell Floyd Associates Inc), 1813783-2 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 6350-01-578-8023, 6350-01-596-7547. Verify interchangeability with system specifications before substitution.
Key specifications for US-09-515-Q: Loudness Level in Decibels: 100 MIN DB AND 109 MAX DB AT 2 FEET FT; Terminal Type: LUG; Overall Diameter: 1.420 INCHES NOMINAL IN; Special Test Features: 94V-0 FLAME CLASS RATING V. 9 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.