Model: XM21

Spark Plug

Special Features:

Grumman aerospace corporation a10 aircraft

Properties:

Body Style
Electrically shielded, partial insulator, gasket seat
Dc Resistance Rating In Ohms
10000.0
Reach Length
Between 0.484 inches and 0.516 inches
Usage Design
Engine other than aircraft
Width Across Flats
Between 0.865 inches and 0.880 inches
Electrode Style
B1 single flat shell ground electrode (see also style 4)
Mean Effective Pressure Rating
135.0 pounds per square inch
Seat Major Diameter
Between 0.865 inches and 0.980 inches
Height Above Mounting Surface
2.875 inches
Top To Terminal Contact Distance
Between 1.220 inches and 1.320 inches
Top To Shield Thread Distance
Between 0.094 inches and 0.156 inches
Shield Thread Length
0.375 inches
Barrel Inside Diameter
Between 0.505 inches and 0.510 inches
Terminal Sleeve Inside Diameter
Between 0.301 inches and 0.316 inches
Nondefinitive Specification/std Data
1 type and a class
NSN
2920-00-810-7082
Part Number
XM21
Description
Spark Plug
CAGE
86850

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 XM21 NSN 2920-00-810-7082

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:
A
ESD:
ESD:
MMAC:
SU
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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