2990-00-654-8148

Find complete technical information, availability, and procurement data for: 2990-00-654-8148
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-654-8148

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

2.505 inches minimum and 2.510 inches maximum 1st outlet outlet inside diameter, 21.000 inches minimum and 21.250 inches maximum overall length, unthreaded single inlet inlet connection type, jacketed design type, 6.000 inches nominal overall 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: 21.000 inches minimum and 21.250 inches maximum
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 6.000 inches nominal
Outlet Inside Diameter: 2.505 inches minimum and 2.510 inches maximum 1st outlet
Design Type: jacketed
Coolant Type: air
Muffler Design: multipass
Tube Quantity: 2
Body Shape: round
Operating Position: horizontal
Inlet Location: 1-9/16 in. c to co and 30 deg below horizontal centerline single inlet
Inlet Projection Length: 1.250 inches nominal single inlet1.250 inches nominal
Inlet Outside Diameter: 2.3506 inches minimum and 2.3556 inches maximum single inlet
Inlet Inside Diameter: 2.255 inches minimum and 2.260 inches maximum single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: 1-9/16 in. c to c and 90 deg above horizontal centerline 1st outlet
Outlet Projection Length: 1.250 inches nominal 1st outlet1.250 inches nominal
Outlet Outside Diameter: 2.600 inches minimum and 2.605 inches maximum 1st outlet
Outlet Integral Tail Pipe Length: 15.750 inches nominal 1st outlet
Material: steel location not otherwise specified
Fsc Application Data: gasoline engine,nonaircraft

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
380005	Exhaust Muffler
6548148	Exhaust Muffler
7WA510	Exhaust Muffler
N2470	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-654-8148?

The FSCG of the NSN 2990-00-654-8148 is 2990

Does the NSN 2990-00-654-8148 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-654-8148 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 2990-00-654-8148 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-654-8148 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 2990-00-654-8148 was assigned to the Federal Catalog?

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