2990-00-692-8777

Find complete technical information, availability, and procurement data for: 2990-00-692-8777
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-692-8777

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

right-hand single inlet inlet thread direction, 3.125 inches nominal overall length, 5.125 inches nominal overall width, threaded single inlet inlet connection type, 4.125 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: 3.125 inches nominal
Overall Height: 4.125 inches nominal
Overall Width: 5.125 inches nominal
Inlet Connection Type: threaded single inlet
Inlet Thread Direction: right-hand single inlet
Overall Diameter: 9.000 inches nominal
Outlet Inside Diameter: 1.625 inches nominal 1st outlet
Design Type: jacketed
Coolant Type: air
Muffler Design: multipass
Tube Quantity: 2
Body Shape: oval
Operating Position: horizontal
Inlet Location: in center on the vertical plain located 7/8 in. above the horizontal plain single inlet
Inlet Projection Length: 0.625 inches nominal single inlet
Inlet Thread Size: 1-1/4 single inlet
Inlet Thread Location: external single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: in center on the horizontal plain,2-1/2 in. right of the vertical plain 1st outlet
Outlet Projection Length: 3.250 inches nominal 1st outlet
Outlet Outside Diameter: 1.750 inches nominal 1st outlet
Outlet Integral Tail Pipe Length: 3.250 inches nominal 1st outlet
Material: asbestos insulation
Material: steel location not otherwise specified
Surface Treatment: aluminum
Fsc Application Data: auxiliary engine,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
8366330	Exhaust Muffler
T3600C	Exhaust Muffler
WD59	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-692-8777?

The FSCG of the NSN 2990-00-692-8777 is 2990

Does the NSN 2990-00-692-8777 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-692-8777 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 2990-00-692-8777 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-692-8777 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 2990-00-692-8777 was assigned to the Federal Catalog?

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