190-0404

View detailed technical data, stock status, and sourcing information for: 190-0404
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-167-6870

Item Name Code

10849

Assigment Date

11/26/1971 (54 years ago)

24.250 inches nominal overall length, 2.500 inches nominal 1st outlet2.500 inches nominal outlet inside diameter, 6.000 inches nominal overall diameter, unthreaded 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: 24.250 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 6.000 inches nominal
Outlet Inside Diameter: 2.500 inches nominal 1st outlet2.500 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through w/baffle
Body Shape: round
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 2.875 inches nominal single inlet2.875 inches nominal
Inlet Outside Diameter: 2.656 inches nominal single inlet2.656 inches nominal
Inlet Inside Diameter: 2.500 inches nominal single inlet2.500 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Projection Length: 2.875 inches nominal 1st outlet2.875 inches nominal
Outlet Outside Diameter: 2.656 inches nominal 1st outlet2.656 inches nominal
Material: steel corrosion resisting location not otherwise specified
Surface Treatment: paint

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
113274A	Exhaust Muffler
190-0404	Exhaust Muffler
190-0414	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-167-6870?

The FSCG of the NSN 2990-00-167-6870 is 2990

Does the NSN 2990-00-167-6870 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-167-6870 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 2990-00-167-6870 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-167-6870 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 2990-00-167-6870 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Nov 26, 1971