PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BZ-51Horn,signal

Kobishi America Inc Dba Aseco (american Security Equip. Co.) · NSN 6350-00-971-3942 · FSC 6350 · No Item Name Available
Verified by PartsTable
NSN 6350-00-971-3942 — this item is cataloged by the U.S. Government under National Stock Number 6350-00-971-3942. Primary manufacturer part number: BZ-51.
Features
  • Horn,signal — FSC 6350
  • Terminal Type: WIRE LEAD
  • Mounting Hole/stud Quantity: 1
  • Mounting Bracket: NOT PROVIDED
  • Sound Projector Quantity: 1
  • Loudness Level in Decibels: 100 DB AT 10 FT FT
  • Sound Projector Type: GRILL
  • Material: ALUMINUM HOUSING
Applications
  • Applications requiring Aluminum Housing construction
General Description

The Horn,signal, cataloged under National Stock Number 6350-00-971-3942, 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 Kobishi America Inc Dba Aseco (american Security Equip. Co.). Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6350-00-971-3942
Primary Part NumberBZ-51
Item NameHorn,signal
FSC / FSG6350 / 63 — No Item Name Available
ManufacturerKobishi America Inc Dba Aseco (american Security Equip. Co.)
StatusCANCELLED
Terminal TypeWIRE LEAD
Mounting Hole/stud Quantity1
Mounting BracketNOT PROVIDED
Sound Projector Quantity1
Loudness Level in Decibels100 DB AT 10 FT FT
Sound Projector TypeGRILL
MaterialALUMINUM HOUSING
Hole Diameter0.500 INCHES NOMINAL IN
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-044-4655 INTERCHANGEABLE
Plug,pipe
5940-00-549-273810-311-2 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
2920-01-466-4807 INTERCHANGEABLE
Drive,engine,electrical Starter
6105-01-677-5520134925 INTERCHANGEABLE
Motor,control
Sea Tel, Inc. Dba Cobham Satcom Div Cobham Satcom
Cross-Reference Index
Part NumberManufacturer
1350 Auth Electric Co Inc (USA)
2400213 Cooper Wheelock, Inc. (USA)
350B120V Federal Signal International FSC Ltd Div Electrical Products (USA)
350 B1 Federal Signal International FSC Ltd Div Electrical Products (USA)
7901643-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
2400213 Zf Industrieantriebe Witten Gmbh (DEU)
B26615 Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies (USA)
350 Federal Signal International FSC Ltd Div Electrical Products (USA)
350-120V60HZ Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
7901643-2 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
BZ-51 PRIMARY Kobishi America Inc Dba Aseco (american Security Equip. Co.) (USA)
1-3492-5 Zf Industrieantriebe Witten Gmbh (DEU)
31T-115-R PRIMARY Cooper Wheelock, Inc. (USA)
350A1 Federal Signal International FSC Ltd Div Electrical Products (USA)
5410 Faraday Llc (USA)
350 Federal Signal Corporation (USA)
Related Parts
4730-00-044-4655INTERCHANGEABLE
PLUG,PIPE
5940-00-549-2738INTERCHANGEABLE
TERMINAL,STUD
10-311-2
2920-01-466-4807INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
6105-01-677-5520INTERCHANGEABLE
MOTOR,CONTROL
134925

Frequently Asked Questions

What is NSN 6350-00-971-3942?

NSN 6350-00-971-3942 is a Horn,signal, manufactured by Kobishi America Inc Dba Aseco (american Security Equip. Co.), classified under FSC 6350 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6350-00-971-3942?

NSN 6350-00-971-3942 has 16 cross-referenced part numbers: 1350 (Auth Electric Co Inc), 2400213 (Cooper Wheelock, Inc.), 350B120V (Federal Signal International FSC Ltd Div Electrical Products), 350 B1 (Federal Signal International FSC Ltd Div Electrical Products), 7901643-02 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan) and 11 more.

What NSN replaces 6350-00-971-3942?

There are 4 known substitutes for 6350-00-971-3942: 4730-00-044-4655, 5940-00-549-2738, 2920-01-466-4807 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BZ-51?

Key specifications for BZ-51: Terminal Type: WIRE LEAD; Mounting Hole/stud Quantity: 1; Mounting Bracket: NOT PROVIDED; Special Features: FLUSH MOUNTING. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6350-00-971-3942 still in active supply?

NSN 6350-00-971-3942 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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