3198

View detailed technical data, stock status, and sourcing information for: 3198
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-293-6841

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

2.015 inches nominal 1st outlet2.015 inches nominal outlet inside diameter, 24.500 inches nominal overall length, unthreaded single inlet inlet connection type, 8.060 inches nominal overall diameter, jacketed 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: 24.500 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 8.060 inches nominal
Outlet Inside Diameter: 2.015 inches nominal 1st outlet2.015 inches nominal
Design Type: jacketed
Coolant Type: air
Muffler Design: multipass w/integral spark arrestor
Baffle Quantity: 1
Tube Quantity: 2
Body Shape: round
Operating Position: horizontal
Inlet Location: 1/4 in. c to c from horizontal center line single inlet
Inlet Projection Length: 2.125 inches nominal single inlet2.125 inches nominal
Inlet Outside Diameter: 2.135 inches nominal single inlet2.135 inches nominal
Inlet Inside Diameter: 2.015 inches nominal single inlet2.015 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: on side of body 2-1/4 in. from center to end of body 1st outlet
Outlet Projection Length: 1.500 inches nominal 1st outlet1.500 inches nominal
Outlet Outside Diameter: 2.135 inches nominal 1st outlet2.135 inches nominal
Material: steel location not otherwise specified
Surface Treatment: paint

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-781-5358	No Name Available	01/01/1980

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
3198	Exhaust Muffler
ABT3198	Exhaust Muffler
T-3198	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-293-6841?

The FSCG of the NSN 2990-00-293-6841 is 2990

Does the NSN 2990-00-293-6841 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-293-6841 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 2990-00-293-6841 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-00-293-6841 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 2990-00-293-6841 was assigned to the Federal Catalog?

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