#AC181 Spark Plug | Aircraft Prime Moving Engine Electrical System Components

AC181

Spark Plug

NSN 2925-00-142-8731

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
UOM:
NIIN:
001428731

Product Technical Spec.

Body Style:
Electrically shielded, full insulator, gasket seat
Dc Resistance Rating In Ohms:
1500.0
Reach Length:
Between 0.792 inches and 0.812 inches
Usage Design:
Aircraft engine
Width Across Flats:
Between 0.870 inches and 0.878 inches
Electrode Style:
Two flat ground electrode
Thread Size And Series/type Designator And Location:
5/8-24 unef shielding
Thread Size And Series/type Designator And Location:
18-1.5mm base
Mean Effective Pressure Rating:
340.0 pounds per square inch
Seat Major Diameter:
0.960 inches
Height Above Mounting Surface:
Between 2.188 inches and 2.312 inches
Top To Terminal Contact Distance:
Between 1.000 inches and 1.070 inches
Top To Shield Thread Distance:
Between 0.105 inches and 0.145 inches
Shield Thread Length:
0.375 inches
Terminal Sleeve Inside Diameter:
Between 0.378 inches and 0.388 inches
NSN:
2925-00-142-8731
Item Name:
Spark Plug
Cage Code:
7X677

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
AC181
Cage Code:
70040
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
AC181
Cage Code:
24617
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Engine Accessories
------ Aircraft Prime Moving Engine Electrical System Components
--------- Spark Plugs
------------ P/N AC181

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Last Updated: 01/20/2025