Model: AT3

Spark Plug

Special Features:

Commercial-industrial-transport style

Properties:

Body Style
A11 unshielded, solid or threaded post, gasket seat
Body Style
Unshielded, solid or threaded post, gasket seat
Reach Length
0.375 inches
Usage Design
Engine other than aircraft
Width Across Flats
0.812 inches
Electrode Style
B1 single flat shell ground electrode (see also style 4)
Electrode Style
Single flat shell ground electrode (see also style 4)
Thread Size And Series/type Designator And Location
14-1.25mm base
Mean Effective Pressure Rating
Between 250.0 pounds per square inch and 260.0 pounds per square inch
Seat Major Diameter
0.8125 inches
Height Above Mounting Surface
2.200 inches
Test Data Document
81348-ws506 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
3 type and b class
NSN
2920-00-293-5189
Part Number
AT3
Description
Spark Plug
CAGE
26377

An item containing two or more electrodes across which an electric spark is discharged to ignite a fuel and air mixture, primarily in internal combustion engines. Excludes glow plug; and electrode.

Part AT3 NSN 2920-00-293-5189

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00294
FIIG:
A10400
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177080
UFC:
87080
LTL:
RATING VARIABLE
LCL:
--
WCC:
583
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8511100000
  • SITC: 77831
  • End Use: Engines and engine parts (carburetors, pistons, rings, and valves)
  • NAICS: 336320
  • USDA: 1

Freight Class: Spark plugs for internal combustion engines

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