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NationalStockNumber.INFO

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Spark Plug

NSN: 2925-00-240-3905 | Model: R37S1

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.

NSN Properties and Flags
NATO Stock Number
2925-00-240-3905
DEMIL
NO
Body Style
Electrically shielded, full insulator, gasket seat
Dc Resistance Rating In Ohms
1000.0
Reach Length
Between 0.793 inches and 0.813 inches
Usage Design
Engine other than aircraft
Width Across Flats
0.875 inches
Electrode Style
Four gap ground electrode
Thread Size And Series/type Designator And Location
18-1.5mm base err-100
Mean Effective Pressure Rating
330.0 pounds per square inch
Seat Major Diameter
0.970 inches
Height Above Mounting Surface
Between 2.125 inches and 2.375 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
0.250 inches
Terminal Sleeve Inside Diameter
Between 0.290 inches and 0.300 inches

Pricing and Availability

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NSN 2925-00-240-3905 Datasheet

Supply Class (FSC):
Aircraft Prime Moving Engine Electrical System Components
Cross Reference:
  • R37S1
Cage Codes:
  • Champion Aerospace Llc (CAGE 0AFL4)
Schedule B & Trade:
  • Schedule B: 8511100000 (NAICS 336320)

    Spark plugs for internal combustion engines

  • SITC: 77831

    Electrical ignition or starting equipment used for spark-ignition or compression-ignition internal combustion engines; generators and cut-outs, etc.

  • End Use: 30200

    Engines and engine parts (carburetors, pistons, rings, and valves)

Identification:
HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

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

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 2925-00-240-3905 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea, and Greece
What is the NIIN of NSN 2925-00-240-3905?
002403905 or 00-240-3905
Does NSN 2925-00-240-3905 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2925-00-240-3905?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963