B8667

View detailed technical data, stock status, and sourcing information for: B8667
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-293-4521

Item Name Code

00294

Assigment Date

01/01/1963 (63 years ago)

0.878 inches nominal width across flats, engine other than aircraft usage design, triple gap ground electrode electrode style, electrically shielded, partial insulator, gasket seat body style, 0.442 inches nominal reach length

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
Reach Length: 0.442 inches nominal
Usage Design: engine other than aircraft
Width Across Flats: 0.878 inches nominal
Electrode Style: triple gap ground electrode
Seat Major Diameter: 1.230 inches nominal
Height Above Mounting Surface: 1.888 inches nominal
Top To Terminal Contact Distance: 1.565 inches nominal
Top To Shield Thread Distance: 0.125 inches nominal
Shield Thread Length: 0.312 inches nominal
Barrel Inside Diameter: 0.565 inches nominal
Terminal Sleeve Inside Diameter: 0.388 inches nominal
Thread Size And Series/Type Designator: 3/4-20 unef shield

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-508-7050	No Name Available	01/01/1963

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
B8667	Spark Plug
PS76079	Spark Plug

FAQs

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

What is the FSCG of the NSN 2920-00-293-4521?

The FSCG of the NSN 2920-00-293-4521 is 2920

Does the NSN 2920-00-293-4521 have a Schedule B code assigned?

Yes, the Schedule B code is 8511100000

Does NSN 2920-00-293-4521 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 2920-00-293-4521 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-293-4521 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 2920-00-293-4521 was assigned to the Federal Catalog?

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