2990-00-049-3603

Find complete technical information, availability, and procurement data for: 2990-00-049-3603
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-049-3603

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

right-hand single inlet inlet thread direction, 6.656 inches nominal overall length, 1.688 inches nominal overall diameter, threaded single inlet inlet connection type, dry design type

Product Characteristics

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

Overall Length: 6.656 inches nominal
Inlet Connection Type: threaded single inlet
Inlet Thread Direction: right-hand single inlet
Overall Diameter: 1.688 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: baffle
Baffle Quantity: 1
Body Shape: round
Operating Position: horizontal
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 3.000 inches nominal single inlet3.000 inches nominal
Inlet Thread Size: 0.500-14 single inlet
Inlet Thread Series Designator: npt single inlet
Inlet Thread Location: external single inlet
Outlet Outside Diameter: 0.814 inches nominal 1st outlet0.814 inches nominal
Nonconnection Outlet Type And Quantity: 1 round hole
Nonconnection Outlet Location: centrally located in end section
Nonconnection Outlet Size: 0.814 in. dia
Material: steel location not otherwise specified

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
290029	Exhaust Muffler
7034871	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-049-3603?

The FSCG of the NSN 2990-00-049-3603 is 2990

Does the NSN 2990-00-049-3603 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-049-3603 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 2990-00-049-3603 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-049-3603 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 2990-00-049-3603 was assigned to the Federal Catalog?

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