Model: SH20A

Spark Plug

Special Features:

Item is used on army trucks

Properties:

Body Style
Electrically shielded, partial insulator, gasket seat
Dc Resistance Rating In Ohms
1000.0
Reach Length
Between 0.527 inches and 0.562 inches
Usage Design
Aircraft engine
Width Across Flats
Between 0.870 inches and 0.878 inches
Electrode Style
Triple gap ground electrode
Thread Size And Series/type Designator And Location
18-1.5mm base and 5/8-24 unef shielding
Seat Major Diameter
0.965 inches
Height Above Mounting Surface
Between 2.500 inches and 2.624 inches
Top To Terminal Contact Distance
Between 1.000 inches and 1.070 inches
Top To Shield Thread Distance
0.120 inches
Shield Thread Length
0.250 inches
Barrel Inside Diameter
Between 0.459 inches and 0.479 inches
Terminal Sleeve Inside Diameter
Between 0.378 inches and 0.388 inches
NSN
2925-00-580-4931
Part Number
SH20A
Description
Spark Plug
CAGE
52970

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 SH20A NSN 2925-00-580-4931

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
190500
UFC:
93590
LTL:
RATING VARIABLE
LCL:
--
WCC:
590
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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