Model: 18UC0M

Spark Plug

Special Features:

Commercial-industrial style

Properties:

Body Style
Unshielded, threaded post, gasket seat
Reach Length
0.500 inches
Usage Design
Engine other than aircraft
Width Across Flats
0.875 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
18-1.5mm base
Mean Effective Pressure Rating
Between 300.0 pounds per square inch and 325.0 pounds per square inch
Seat Major Diameter
1.000 inches
Height Above Mounting Surface
2.312 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
2920-00-554-9156
Part Number
18UC0M
Description
Spark Plug
CAGE
70673

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 18UC0M NSN 2920-00-554-9156

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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