Spark Plug

NSN: 2920-00-075-5121 | Model: WS506

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

2920-00-075-5121

DEMIL

Body Style

Electrically shielded, full insulator, gasket seat

Reach Length

0.625 inches

Usage Design

Engine other than aircraft

Width Across Flats

0.937 inches

Electrode Style

Two flat ground electrode

Thread Size And Series/type Designator And Location

7/8-18 uns base

Mean Effective Pressure Rating

245.0 pounds per square inch

Seat Major Diameter

1.125 inches

Height Above Mounting Surface

2.625 inches

Top To Terminal Contact Distance

1.000 inches

Top To Shield Thread Distance

0.125 inches

Shield Thread Length

0.500 inches

Terminal Sleeve Inside Diameter

0.378 inches

Nondefinitive Specification/std Data

2 type and a class

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 2920-00-075-5121 Datasheet

Supply Class (FSC):

Nonaircraft Engine Electrical System Components

Cross Reference:

WS506
RB312S

Cage Codes:

Federal Specifications (CAGE 81348)
B G Service Company, Inc., The (CAGE 05045)

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 2920-00-075-5121 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Bureau Of Mines
What is the NIIN of NSN 2920-00-075-5121?
000755121 or 00-075-5121
Does NSN 2920-00-075-5121 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2920-00-075-5121?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963