Model: RHA37N

Spark Plug

Properties:

Body Style
Electrically shielded, partial insulator, gasket seat
Dc Resistance Rating In Ohms
1000.0
Reach Length
Between 0.792 inches and 0.812 inches
Usage Design
Engine other than aircraft
Width Across Flats
Between 0.872 inches and 0.878 inches
Electrode Style
Four gap ground electrode
Mean Effective Pressure Rating
300.0 pounds per square inch
Seat Major Diameter
0.970 inches
Height Above Mounting Surface
Between 2.469 inches and 2.531 inches
Top To Terminal Contact Distance
1.500 inches
Top To Shield Thread Distance
Between 0.105 inches and 0.145 inches
Shield Thread Length
Between 0.335 inches and 0.375 inches
Barrel Inside Diameter
Between 0.378 inches and 0.386 inches
Terminal Sleeve Inside Diameter
0.290 inches
NSN
2925-00-640-7827
Part Number
RHA37N
Description
Spark Plug
CAGE
0AFL4

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 RHA37N NSN 2925-00-640-7827

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177080
UFC:
87080
LTL:
RATING VARIABLE
LCL:
100.0
WCC:
583
TCC:
Z
SHC:
5
ACC:
Equipment for Aircraft

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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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