WS506TYPE2CLASSB

View detailed technical data, stock status, and sourcing information for: WS506TYPE2CLASSB
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-287-8818

Item Name Code

00294

Assigment Date

01/01/1963 (63 years ago)

single flat shell ground electrode (see also style 4) electrode style, 0.490 inches minimum and 0.500 inches maximum reach length, electrically shielded, full insulator, gasket seat body style, engine other than aircraft usage design, 0.875 inches nominal width across flats

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: electrically shielded, full insulator, gasket seat
Reach Length: 0.490 inches minimum and 0.500 inches maximum
Usage Design: engine other than aircraft
Width Across Flats: 0.875 inches nominal
Electrode Style: single flat shell ground electrode (see also style 4)
Seat Major Diameter: 1.000 inches nominal
Height Above Mounting Surface: 2.328 inches minimum and 2.348 inches maximum
Top To Terminal Contact Distance: 1.000 inches nominal
Top To Shield Thread Distance: 0.125 inches nominal
Shield Thread Length: 0.375 inches nominal
Terminal Sleeve Inside Diameter: 0.378 inches minimum and 0.388 inches maximum
Pressure Rating: 180.0 pounds per square inch minimum and 229.0 pounds per square inch maximum mean effective
Thread Size And Series/Type Designator: 5/8-24 unef shield
Nondefinitive Spec/Std Data: 2 type and b class

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
71X164	Spark Plug
B4S	Spark Plug
SP204B4S	Spark Plug
WS506TYPE2CLASSB	Spark Plug

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2920-00-287-8818?

The FSCG of the NSN 2920-00-287-8818 is 2920

Does the NSN 2920-00-287-8818 have a Schedule B code assigned?

Yes, the Schedule B code is 8511100000

Does NSN 2920-00-287-8818 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2920-00-287-8818 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-287-8818 contain hazardous materials?

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

When the NSN 2920-00-287-8818 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963