Model: RB27R

Spark Plug

Properties:

Body Style
Electrically shielded, partial insulator, gasket seat
Dc Resistance Rating In Ohms
3000.0
Reach Length
Between 0.802 inches and 0.812 inches
Usage Design
Aircraft engine
Width Across Flats
Between 0.820 inches and 0.878 inches
Electrode Style
Two flat ground electrode
Seat Major Diameter
Between 0.555 inches and 0.565 inches
Height Above Mounting Surface
Between 2.190 inches and 2.310 inches
Top To Terminal Contact Distance
Between 1.000 inches and 1.050 inches
Top To Shield Thread Distance
0.120 inches
Shield Thread Length
0.250 inches
Barrel Inside Diameter
0.469 inches
Terminal Sleeve Inside Diameter
Between 0.378 inches and 0.383 inches
NSN
2925-00-294-3890
Part Number
RB27R
Description
Spark Plug
CAGE
05045

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 RB27R NSN 2925-00-294-3890

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:
P
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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