R37S1

R37S1 Spark Plug
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Datasheet. R37S1 specification

Body Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

electrically shielded, full insulator, gasket seat

Dc Resistance Rating In Ohms
The opposition to the flow of direct current offered by an item,expressed in ohms.

1000.0

Reach Length
A measurement of the longest dimension of the reach,in distinction from width.

0.793in. and 0.813in.

Usage Design
Indicates the designed use of the item.

engine other than aircraft

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.875in. ⁓7/8"

Electrode Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the electrode.

four gap ground electrode

Thread Size And Series/type Designator And Location
Designates the thread diameter,series/type,and number of threads per measurement scale,and the location.

Thread Size And Series/type Designator And Location
Designates the thread diameter,series/type,and number of threads per measurement scale,and the location.

Mean Effective Pressure Rating
The average effective pressure rating for which the item is designed.

330.0 pounds per square inch

Seat Major Diameter

0.970in.

Height Above Mounting Surface

2.125in. and 2.375in.

Top To Terminal Contact Distance

1.000in. and 1.070in.

Top To Shield Thread Distance

0.105in. and 0.145in.

Shield Thread Length

0.250in.

Terminal Sleeve Inside Diameter

0.290in. and 0.300in.

Answers.

What is the NSN for R37S1?

2925-00-240-3905

How is this classified for shipping?

Schedule B number: 8511100000
Spark plugs for internal combustion engines

What's the federal classification of R37S1?

FSC 2925 ⁓ Engine electrical system components, aircraft prime moving

Note-items designed for specific use on aircraft and guided missile prime movers are to be placed in this fsc.

Excluding aircraft lighting fixtures (fsc 6220); auxiliary aircraft generators (fsc 6115).

NSN 2925-00-240-3905 SPARK PLUG

NIIN
002403905
NIIN Date
01/01/63
Schedule B
8511100000 
Name Code
00294
FIIG
A10400
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Republic of Korea 
  • - Greece 

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Similar by Design Other spark plugs with similar characteristics

Nothing similar to this part number was found in our inventory

R37S1 / Spark plugWhat is the formal definition of this item?

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.