222-4701

View detailed technical data, stock status, and sourcing information for: 222-4701
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-721-1026

Item Name Code

32806

Assigment Date

05/23/2024 (2 years ago)

A reciprocating internal combustion engine in which the power necessary to produce motion of the mechanism is obtained by igniting a compressed fuel and air mixture within the cylinder or cylinders by extreme heat resulting from compression. The engine consists of a cylinder block assembly complete with cylinder head(s) and oil pan(s). It may include attachments or accessories, such as starter motor, transmission for auxiliary equipment, clutch, oil filter, flywheel, flywheel housing or battery charging generator. A fuel tank is not included. For a complete operating power unit mounted on a base, see power unit (1), diesel.

97mm internal diameter bellows part name assigned by controlling agency, 190.5 millimeters 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.

Nominal Overall Length: 190.5 millimeters
Part Name Assigned By Controlling Agency: 97mm internal diameter bellows

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
222-4701	Exhaust Pipe Connector

FAQs

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

What is the FSCG of the NSN 2990-01-721-1026?

The FSCG of the NSN 2990-01-721-1026 is 2990

Does the NSN 2990-01-721-1026 have a Schedule B code assigned?

Yes, the Schedule B code is 8412909080

Does NSN 2990-01-721-1026 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 2990-01-721-1026 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-721-1026 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 2990-01-721-1026 was assigned to the Federal Catalog?

It was assigned 2 years ago, on Thu, May 23, 2024