PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3951-06-1000/475-8Sensing Element,fire Detector Sy

The Boeing Company Div Defense · NSN 6340-01-125-3149 · FSC 6340 · No Item Name Available
Verified by PartsTable
NSN 6340-01-125-3149 — this item is cataloged by the U.S. Government under National Stock Number 6340-01-125-3149. Primary manufacturer part number: 3951-06-1000/475-8.
Features
  • Sensing Element,fire Detector Sy — FSC 6340
  • Fire Alarm Minimum Temp Setting: 475.0 FAHRENHEIT DEGF
  • Termination Quantity: 1
  • Element Length: 7.900 FEET NOMINAL FT
  • Termination Type: CONNECTOR PLUG
  • Temp Setting Tolerance: 25.0 FAHRENHEIT NOMINAL DEGF
  • Termination Controlling Agency: SYSTRON-DONNER CORP SAFTY SYSTEM S DIV
  • 5 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sensing Element,fire Detector Sy, cataloged under National Stock Number 6340-01-125-3149, 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 The Boeing Company Div Defense. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6340-01-125-3149
Primary Part Number3951-06-1000/475-8
Item NameSensing Element,fire Detector Sy
FSC / FSG6340 / 63 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Fire Alarm Minimum Temp Setting475.0 FAHRENHEIT DEGF
Termination Quantity1
Element Length7.900 FEET NOMINAL FT
Termination TypeCONNECTOR PLUG
Temp Setting Tolerance25.0 FAHRENHEIT NOMINAL DEGF
Termination Controlling AgencySYSTRON-DONNER CORP SAFTY SYSTEM S DIV
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5340-00-240-0328 INTERCHANGEABLE
Catch,clamping
5961-00-437-6394 INTERCHANGEABLE
Semiconductor Device,diode
2590-00-934-2104101103 INTERCHANGEABLE
Pad,crash Rear Door
Cadillac Gage Textron Inc.
5961-00-985-91112N3468 INTERCHANGEABLE
Transistor
Freescale Semiconductor, Inc.
2540-01-153-8449101103PS INTERCHANGEABLE
Cover,seat,vehicular
Seats Inc Div Seats Incorporated
5910-01-333-8500916187C INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Thales Defense & Security Inc Dba Thales Communications Inc
5340-01-353-8960 INTERCHANGEABLE
Bracket,angle
4720-01-370-921844Z1536D73 INTERCHANGEABLE
Hose Assembly,nonmetallic
Morris Material Handling, Inc.
4820-01-612-0864101103 INTERCHANGEABLE
Valve,ball
Discover Industries Inc. Dba Discover Valve
6220-01-690-2153101103 INTERCHANGEABLE
Floodlight,electric
Lumitec Inc.
Cross-Reference Index
Part NumberManufacturer
10150143 Nimikkeistokeskus Ncb Finland (FIN)
10-1103-1000/475-8 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
10-1103 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
3951-06-1000/475-8 Meggitt Safety Systems Inc (USA)
3951-06-1000/475-8 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5340-00-240-0328INTERCHANGEABLE
CATCH,CLAMPING
5961-00-437-6394INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
2590-00-934-2104INTERCHANGEABLE
PAD,CRASH REAR DOOR
101103
5961-00-985-9111INTERCHANGEABLE
TRANSISTOR
2N3468
2540-01-153-8449INTERCHANGEABLE
COVER,SEAT,VEHICULAR
101103PS
5910-01-333-8500INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
916187C
5340-01-353-8960INTERCHANGEABLE
BRACKET,ANGLE
4720-01-370-9218INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
44Z1536D73
4820-01-612-0864INTERCHANGEABLE
VALVE,BALL
101103
6220-01-690-2153INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
101103

Frequently Asked Questions

What is NSN 6340-01-125-3149?

NSN 6340-01-125-3149 is a Sensing Element,fire Detector Sy, manufactured by The Boeing Company Div Defense, classified under FSC 6340 (No Item Name Available). Status: active.

What are the part numbers for NSN 6340-01-125-3149?

NSN 6340-01-125-3149 has 5 cross-referenced part numbers: 10150143 (Nimikkeistokeskus Ncb Finland), 10-1103-1000/475-8 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 10-1103 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 3951-06-1000/475-8 (Meggitt Safety Systems Inc), 3951-06-1000/475-8 (The Boeing Company Div Defense).

What NSN replaces 6340-01-125-3149?

There are 10 known substitutes for 6340-01-125-3149: 5340-00-240-0328, 5961-00-437-6394, 2590-00-934-2104 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3951-06-1000/475-8?

Key specifications for 3951-06-1000/475-8: Fire Alarm Minimum Temp Setting: 475.0 FAHRENHEIT DEGF; Termination Quantity: 1; Element Length: 7.900 FEET NOMINAL FT; Termination Type: CONNECTOR PLUG. 6 total characteristics are documented in the Federal Logistics Information System.

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