2920-00-257-2891

Find complete technical information, availability, and procurement data for: 2920-00-257-2891
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-257-2891

Item Name Code

17309

Assigment Date

01/01/1963 (63 years ago)

1.031 inches nominal overall length, included counterbore feature, 18.0 millimeters nominal outside thread diameter, counterbore 0.625 in. dia 0.500 in. deep item 1.125 in.w 1.000 in. h special features, 14.0 millimeters nominal accommodated spark plug thread diameter

Product Characteristics

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

Overall Length: 1.031 inches nominal
Accommodated Spark Plug Thread Diameter: 14.0 millimeters nominal
Outside Thread Diameter: 18.0 millimeters nominal
Counterbore Feature: included
Special Features: counterbore 0.625 in. dia 0.500 in. deep item 1.125 in.w 1.000 in. h
Material: steel body

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
167-0042	Spark Plug Adapter
167-42	Spark Plug Adapter

FAQs

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

What is the FSCG of the NSN 2920-00-257-2891?

The FSCG of the NSN 2920-00-257-2891 is 2920

Does the NSN 2920-00-257-2891 have a Schedule B code assigned?

Yes, the Schedule B code is 8511908000

Does NSN 2920-00-257-2891 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 2920-00-257-2891 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-257-2891 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 2920-00-257-2891 was assigned to the Federal Catalog?

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