NSN 6350-01-617-1561 · NIIN 016171561 · Part number AI-4228-TWT-R
Projects Unlimited Inc · FSC 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems · FSG 63 — Alarm, Signal, and Security Detection Systems · CAGE 04597
Government record, cited
NSN 6350-01-617-1561 — this item is cataloged by the U.S. Government under National Stock Number 6350-01-617-1561. Manufacturer of record part number: AI-4228-TWT-R.
Also searched as6350-01-617-1561 ·
6350016171561 ·
NIIN 016171561 ·
01-617-1561 ·
FSC 6350 Miscellaneous Alarm, Signal, and Security Detection Systems · CAGE 04597 · AI-4228-TWT-R
FSC: 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems
FSG: 63 — Alarm, Signal, and Security Detection Systems
Primary part number: AI-4228-TWT-R
Manufacturer: Projects Unlimited Inc
General Description
The Buzzer, cataloged under National Stock Number 6350-01-617-1561, 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 Projects Unlimited Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Buzzer
FSC / FSG
6350 — Miscellaneous Alarm, Signal, and Security Detection Systems (FSG 63)
Manufacturers
Projects Unlimited Inc (CAGE 04597)
Technical Specifications
Parameter
Value
NSN
6350-01-617-1561
Primary Part Number
AI-4228-TWT-R
Item Name
Buzzer
FSC / FSG
6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems
Manufacturer
Projects Unlimited Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6350-00-001-4574
CAM TIMER ASSY
6350-00-001-9397
6350-00-001-9397 · Item name not on file
6350-00-003-0260
6350-00-003-0260 · Item name not on file
6350-00-003-1192
6350-00-003-1192 · Item name not on file
6350-00-003-1504
SUPPORT
6350-00-003-1505
BAFFLE SUBASSEMBLY
6350-00-003-1506
BAFFLE SUBASSEMBLY
6350-00-003-3323
6350-00-003-3323 · Item name not on file
Frequently Asked Questions
What is NSN 6350-01-617-1561?
NSN 6350-01-617-1561 is a Buzzer, manufactured by Projects Unlimited Inc, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
What part numbers are listed for NSN 6350-01-617-1561?
NSN 6350-01-617-1561 has 1 manufacturer part number on file: AI-4228-TWT-R (Projects Unlimited Inc).
Is NSN 6350-01-617-1561 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.