AC155

View detailed technical data, stock status, and sourcing information for: AC155
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2925 Aircraft Prime Moving Engine Electrical System Components

National Stock Number

2925-00-639-6672

Item Name Code

00294

Assigment Date

01/01/1963 (63 years ago)

0.812 inches nominal reach length, 0.875 inches nominal width across flats, aircraft engine usage design, electrically shielded, partial insulator, gasket seat body style, 1000.0 nominal dc resistance rating in ohms

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, partial insulator, gasket seat
Dc Resistance Rating In Ohms: 1000.0 nominal
Reach Length: 0.812 inches nominal
Usage Design: aircraft engine
Width Across Flats: 0.875 inches nominal
Electrode Style: triple gap ground electrode
Seat Major Diameter: 0.970 inches maximum
Height Above Mounting Surface: 2.250 inches nominal
Top To Terminal Contact Distance: 1.000 inches nominal
Top To Shield Thread Distance: 0.125 inches nominal
Shield Thread Length: 0.250 inches nominal
Barrel Inside Diameter: 0.469 inches nominal
Terminal Sleeve Inside Diameter: 0.378 inches nominal
Pressure Rating: 450.0 pounds per square inch nominal mean effective
Thread Size And Series/Type Designator: 5/8-24 unef shield

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
5610272	Spark Plug
AC155	Spark Plug

FAQs

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

What is the FSCG of the NSN 2925-00-639-6672?

The FSCG of the NSN 2925-00-639-6672 is 2925

Does the NSN 2925-00-639-6672 have a Schedule B code assigned?

Yes, the Schedule B code is 8511100000

Does NSN 2925-00-639-6672 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 2925-00-639-6672 contain precious materials?

Precious metal content is unknown

Does NSN 2925-00-639-6672 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 2925-00-639-6672 was assigned to the Federal Catalog?

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