Usage Design: MODEL 2251B IS A PLUG-IN TYPE SMOKE SENSOR THAT COMBINE A PHOTOELECTRONIC SENSING CHAMBER WITH ADDRESSABLE-ANALOG COMMUNICATIONS. THE SENSORS TRANSMIT AN ANALOG REPRESENTATION OF SMOKE DENSITY OVER A COMMUNICATION LINE TO A CONTROL PANEL. ROTARY-DECADE SWITCHES ARE PROVIDED FOR SETTING THE SENSOR'S ADDRESS
Identification
NSN: 6350-01-723-4973
NIIN: 017234973
FSC: 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems
FSG: 63 — Alarm, Signal, and Security Detection Systems
General Description
The Alarm,smoke,automatic, cataloged under National Stock Number 6350-01-723-4973, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6350-01-723-4973
Item Name
Alarm,smoke,automatic
FSC / FSG
6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems
Status
ACTIVE
Voltage in Volts and Current Type
32.0 DC
Overall Diameter
6.1 INCHES NOMINAL IN
Material
PLASTIC
Usage Design
MODEL 2251B IS A PLUG-IN TYPE SMOKE SENSOR THAT COMBINE A PHOTOELECTRONIC SENSING CHAMBER WITH ADDRESSABLE-ANALOG COMMUNICATIONS. THE SENSORS TRANSMIT AN ANALOG REPRESENTATION OF SMOKE DENSITY OVER A COMMUNICATION LINE TO A CONTROL PANEL. ROTARY-DECADE SWITCHES ARE PROVIDED FOR SETTING THE SENSOR'S ADDRESS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2251B
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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 6350-01-723-4973?
NSN 6350-01-723-4973 is a Alarm,smoke,automatic, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
What are the specifications of 6350-01-723-4973?
Key specifications for 6350-01-723-4973: Overall Height: 2.0 INCHES NOMINAL IN; Voltage in Volts and Current Type: 32.0 DC; Overall Diameter: 6.1 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PHOTOELECTRIC SMOKE SENSOR. 4 specifications are documented in the U.S. Government catalog.
Is NSN 6350-01-723-4973 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.