2990-00-408-9438

Find complete technical information, availability, and procurement data for: 2990-00-408-9438

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2990-00-408-9438
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-408-9438
Item Name Code
10849
Assigment Date
07/13/1970 (56 years ago)

33.625 inches nominal overall length, 4.000 inches nominal overall diameter, jacketed design type, straight through muffler design, unthreaded single inlet inlet connection 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
33.625 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
4.000 inches nominal
Design Type
jacketed
Muffler Design
straight through
Tube Quantity
1
Body Shape
round
Operating Position
horizontal
Inlet Location
centrally located on end of body single inlet
Inlet Projection Length
6.312 inches nominal single inlet
Inlet Inside Diameter
2.250 inches nominal single inlet
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
centrally located on end of body 1st outlet
Outlet Projection Length
6.312 inches nominal 1st outlet
Outlet Outside Diameter
2.250 inches nominal 1st outlet
Special Features
furnished with tail pipe
Material
asbestos insulation
Material
steel location not otherwise specified
Surface Treatment
aluminum

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
2925622 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-408-9438?
The FSCG of the NSN 2990-00-408-9438 is 2990
Does the NSN 2990-00-408-9438 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-408-9438 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 2990-00-408-9438 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-408-9438 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 2990-00-408-9438 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Mon, Jul 13, 1970

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