638647

View detailed technical data, stock status, and sourcing information for: 638647
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-554-9155

Item Name Code

00294

Assigment Date

01/01/1963 (63 years ago)

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; electrode.

0.375 inches nominal reach length, engine other than aircraft usage design, single flat shell ground electrode (see also style 4) electrode style, unshielded, solid post, gasket seat body style, 0.812 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: unshielded, solid post, gasket seat
Reach Length: 0.375 inches nominal
Usage Design: engine other than aircraft
Width Across Flats: 0.812 inches nominal
Electrode Style: single flat shell ground electrode (see also style 4)
Seat Major Diameter: 0.800 inches nominal
Pressure Rating: 145.0 pounds per square inch nominal mean effective

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
390990	Spark Plug
501010	Spark Plug
638647	Spark Plug
A538	Spark Plug
AC88	Spark Plug
GPW12405	Spark Plug
J9	Spark Plug

FAQs

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

What is the FSCG of the NSN 2920-00-554-9155?

The FSCG of the NSN 2920-00-554-9155 is 2920

Does the NSN 2920-00-554-9155 have a Schedule B code assigned?

Yes, the Schedule B code is 8511100000

Does NSN 2920-00-554-9155 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 2920-00-554-9155 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-554-9155 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 2920-00-554-9155 was assigned to the Federal Catalog?

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