2990-00-776-5027

Find complete technical information, availability, and procurement data for: 2990-00-776-5027
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-776-5027

Item Name Code

10849

Assigment Date

01/01/1962 (64 years ago)

unthreaded single inlet inlet connection type, 4.000 inches nominal overall width, 27.500 inches nominal overall length, dry design type, 8.000 inches nominal overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 27.500 inches nominal
Overall Height: 8.000 inches nominal
Overall Width: 4.000 inches nominal
Inlet Connection Type: unthreaded single inlet
Design Type: dry
Coolant Type: air
Muffler Design: multipass
Tube Quantity: 3
Body Shape: oval
Operating Position: horizontal
Inlet Location: located 2-5/8 in. c to c from horizontal center line single inlet
Inlet Outside Diameter: 2.090 inches nominal single inlet2.090 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Outside Diameter: 2.090 inches nominal 1st outlet2.090 inches nominal
Nonconnection Outlet Type And Quantity: 2 slotted
Nonconnection Outlet Location: on minor axis
Nonconnection Outlet Size: 3/4 in. lg by 1/8 in. w
Material: steel comp 1010 location not otherwise specified
Material Document And Classification: sae 1010 assn std single material response
Surface Treatment: zinc
Fsc Application Data: engine,gasoline,non-aircraft

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
1869	Exhaust Muffler
21075	Exhaust Muffler
7409	Exhaust Muffler
741	Exhaust Muffler
M741	Exhaust Muffler
ST46	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-776-5027?

The FSCG of the NSN 2990-00-776-5027 is 2990

Does the NSN 2990-00-776-5027 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-776-5027 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 2990-00-776-5027 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-776-5027 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 2990-00-776-5027 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962