PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-231-33Sensor,opaque Particle

Kidde Technologies, Inc Div Kidde Aerospace and Defense · NSN 6340-01-281-4281 · FSC 6340 · No Item Name Available
Verified by PartsTable
NSN 6340-01-281-4281 — this item is cataloged by the U.S. Government under National Stock Number 6340-01-281-4281. Primary manufacturer part number: 30-231-33.
Features
  • Sensor,opaque Particle — FSC 6340
  • Usage Design: AIRCRAFT
  • Media Detected: SMOKE
  • Design Type: NONTRIPOD MOUNTING
  • Mounting Configuration: FOUR SHOCK MOUNTS,ONE AT EA. CORNER,CAN BE MOUNTED IN ANY POSITION
  • 4 verified cross-references
  • Primary manufacturer: Kidde Technologies, Inc Div Kidde Aerospace and Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sensor,opaque Particle, cataloged under National Stock Number 6340-01-281-4281, is classified within Federal Supply Class 6340 (No Item Name Available) of the Alarm, Signal, and Security Detection Systems group. The primary manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6340-01-281-4281
Primary Part Number30-231-33
Item NameSensor,opaque Particle
FSC / FSG6340 / 63 — No Item Name Available
ManufacturerKidde Technologies, Inc Div Kidde Aerospace and Defense
StatusCANCELLED
Usage DesignAIRCRAFT
Media DetectedSMOKE
Design TypeNONTRIPOD MOUNTING
Mounting ConfigurationFOUR SHOCK MOUNTS,ONE AT EA. CORNER,CAN BE MOUNTED IN ANY POSITION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6210-00-001-144140112 INTERCHANGEABLE
Lens,light
Switchcraft Inc.
4730-00-354-5181401-12S INTERCHANGEABLE
Adapter,straight,tube to Hose
Danfoss Power Solutions II, Llc
5835-00-484-150340112 INTERCHANGEABLE
Head Lead Assy
Crown Audio, Inc. Dba Crown International
5130-00-487-141448-00-5181 INTERCHANGEABLE
Blade,reciprocating Saw
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
5935-00-593-9618ST5M1344SP2A INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
5930-00-607-187440112 INTERCHANGEABLE
Switch Assembly
Hydra-Electric Company Dba Hydra-Electric Co
4820-00-640-1285B31257PC88X1-2 INTERCHANGEABLE
Valve,globe
Crane Co Div Valve Div
4820-00-752-9402633048-2 INTERCHANGEABLE
Valve,globe
Lockheed Martin Corp
4730-00-947-650340-1 1-2 INTERCHANGEABLE
Coupling,pipe
Victaulic Company of America Inc Dba Victaulic Company of America
5315-01-003-880140112 INTERCHANGEABLE
Pin Locking,hydraulic Unit
Crown Controls Corp
Cross-Reference Index
Part NumberManufacturer
40-112 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
30-231-33 PRIMARY Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
C40-112 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
3B90022-101 Lockheed Martin Corp (USA)
Related Parts
6210-00-001-1441INTERCHANGEABLE
LENS,LIGHT
40112
4730-00-354-5181INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
401-12S
5835-00-484-1503INTERCHANGEABLE
HEAD LEAD ASSY
40112
5130-00-487-1414INTERCHANGEABLE
BLADE,RECIPROCATING SAW
48-00-5181
5935-00-593-9618INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ST5M1344SP2A
5930-00-607-1874INTERCHANGEABLE
SWITCH ASSEMBLY
40112
4820-00-640-1285INTERCHANGEABLE
VALVE,GLOBE
B31257PC88X1-2
4820-00-752-9402INTERCHANGEABLE
VALVE,GLOBE
633048-2
4730-00-947-6503INTERCHANGEABLE
COUPLING,PIPE
40-1 1-2
5315-01-003-8801INTERCHANGEABLE
PIN LOCKING,HYDRAULIC UNIT
40112
5999-01-083-0268INTERCHANGEABLE
CLIP,ELECTRICAL
5940-01-374-2166INTERCHANGEABLE
TERMINAL BOARD
2000-MIL-3-BEME-PC

Frequently Asked Questions

What is NSN 6340-01-281-4281?

NSN 6340-01-281-4281 is a Sensor,opaque Particle, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 6340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6340-01-281-4281?

NSN 6340-01-281-4281 has 4 cross-referenced part numbers: 40-112 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 30-231-33 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), C40-112 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 3B90022-101 (Lockheed Martin Corp).

What NSN replaces 6340-01-281-4281?

There are 12 known substitutes for 6340-01-281-4281: 6210-00-001-1441, 4730-00-354-5181, 5835-00-484-1503 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30-231-33?

Key specifications for 30-231-33: Overall Length: 7.000 INCHES NOMINAL IN; Usage Design: AIRCRAFT; Media Detected: SMOKE; Overall Width: 3.880 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6340-01-281-4281 still in active supply?

NSN 6340-01-281-4281 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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