MUM090022

View detailed technical data, stock status, and sourcing information for: MUM090022
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-065-2833

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

cummins diesel engine series v-785 end item identification, 4.000 inches nominal 1st outlet4.000 inches nominal outlet inside diameter, 9.000 inches nominal overall diameter, 51.000 inches nominal overall length, 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: 51.000 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 9.000 inches nominal
End Item Identification: cummins diesel engine series v-785
Outlet Inside Diameter: 4.000 inches nominal 1st outlet4.000 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through
Tube Quantity: 1
Body Shape: round
Operating Position: vertical
Inlet Location: centrally located on end of body single inlet
Inlet Projection Length: 3.000 inches nominal single inlet3.000 inches nominal
Inlet Inside Diameter: 4.000 inches nominal single inlet4.000 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located on end of body 1st outlet
Outlet Projection Length: 3.000 inches nominal 1st outlet3.000 inches nominal
Material: steel location not otherwise specified
Surface Treatment: aluminum

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-890-2439	No Name Available	05/01/1979
2990-00-938-0523	No Name Available	09/17/1971

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
190-9300	Exhaust Muffler
217149	Exhaust Muffler
533938	Exhaust Muffler
54906BX	Exhaust Muffler
86108M	Exhaust Muffler
86131-U	Exhaust Muffler
979541R91	Exhaust Muffler
981	Exhaust Muffler
ABT86131	Exhaust Muffler
MUM09-0022	Exhaust Muffler
MUM090022	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-065-2833?

The FSCG of the NSN 2990-00-065-2833 is 2990

Does the NSN 2990-00-065-2833 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-065-2833 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 2990-00-065-2833 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-065-2833 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 2990-00-065-2833 was assigned to the Federal Catalog?

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