8B493

View detailed technical data, stock status, and sourcing information for: 8B493
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-587-9721

Item Name Code

33265

Assigment Date

01/01/1961 (65 years ago)

2.187 inches nominal body diameter, 1.250-12 unf external thread designation, 1.750-12 un internal thread designation, 0.203 inches nominal orifice diameter, 4.350 inches nominal overall length

Product Characteristics

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

Overall Length: 4.350 inches nominal
Body Diameter: 2.187 inches nominal
Orifice Diameter: 0.203 inches nominal
Internal Thread Designation: 1.750-12 un
External Thread Designation: 1.250-12 unf
Material: steel
Style Designator: single chamber energy cell type

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
8B0493	Precombustion Chamber
8B493	Precombustion Chamber

FAQs

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

What is the FSCG of the NSN 2815-00-587-9721?

The FSCG of the NSN 2815-00-587-9721 is 2815

Does the NSN 2815-00-587-9721 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-587-9721 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 2815-00-587-9721 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-587-9721 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 2815-00-587-9721 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961