2990-00-294-1901

Find complete technical information, availability, and procurement data for: 2990-00-294-1901
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-294-1901

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

A device for automatically opening the circuit between an engine generator and the battery of the engine electrical system to prevent the flow of reverse current to the generator and automatically closing the circuit when the voltage of the generator reaches normal range. Excludes:regulator, current and relay (as modified).

2990-00-294-1901, exhaust muffler

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-426-4381	No Name Available	01/01/1960

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
3B6232	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-294-1901?

The FSCG of the NSN 2990-00-294-1901 is 2990

Does the NSN 2990-00-294-1901 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-294-1901 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 2990-00-294-1901 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-294-1901 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 2990-00-294-1901 was assigned to the Federal Catalog?

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