NSN 2925-00-142-8731

Spark Plug
DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
--
NIIN:
001428731

Pricing & Availability

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Definition Definition of approved item name (AIN): "SPARK PLUG"

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.

2925-00-142-8731 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAQL
Body Style
Electrically shielded, full insulator, gasket seat
MRC:
AFYV
Dc Resistance Rating In Ohms
1500.0
MRC:
AHPM
Reach Length
Between 0.792 inches and 0.812 inches
MRC:
ALBY
Usage Design
Aircraft engine
MRC:
ASDB
Width Across Flats
Between 0.870 inches and 0.878 inches
MRC:
AYGA
Electrode Style
Two flat ground electrode
MRC:
AYGB
Thread Size And Series/type Designator And Location
18-1.5mm base
MRC:
AYGF
Mean Effective Pressure Rating
340.0 pounds per square inch
MRC:
AYGH
Seat Major Diameter
0.960 inches
MRC:
AYGJ
Height Above Mounting Surface
Between 2.188 inches and 2.312 inches
MRC:
AYGK
Top To Terminal Contact Distance
Between 1.000 inches and 1.070 inches
MRC:
AYGL
Top To Shield Thread Distance
Between 0.105 inches and 0.145 inches
MRC:
AYGM
Shield Thread Length
0.375 inches
MRC:
AYGP
Terminal Sleeve Inside Diameter
Between 0.378 inches and 0.388 inches

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
AC181
Cage Code:
7X677
RNCC:
C
RNVC:
1
DAC:
5
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9X
Part Number:
AC181
Cage Code:
70040
RNCC:
3
RNVC:
2
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
AC181
Cage Code:
24617
RNCC:
5
RNVC:
9
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00294
FIIG:
A10400
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Part End Users MOE: Major organizational entities

Name
MOE Code
MOE Rule
PICA
DSOR
User:
REPUBLIC OF KOREA Republic of Korea
MOE:
ZH
Rule:
ZH01
PICA:
ZH
DSOR:
User:
GREECE Greece
MOE:
ZU
Rule:
ZU01
PICA:
ZU
DSOR:

Material & Special Handling Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
P
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) P

Item contains platinum family metals.

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

  Identification Codes

HMIC: Hazardous Material Indicator Code. Identifies a hazardous item.

PMIC: Precious Metal Indicator Code. Identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.

ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.

ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.

CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.