2781263

View detailed technical data, stock status, and sourcing information for: 2781263

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2781263
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-135-4435
Item Name Code
10849
Assigment Date
01/06/1969 (57 years ago)

4.000 inches nominal overall height, 25.312 inches nominal overall length, 1.750 inches nominal 1st outlet outlet inside diameter, 9.750 inches nominal overall width, 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
25.312 inches nominal
Overall Height
4.000 inches nominal
Overall Width
9.750 inches nominal
Inlet Connection Type
unthreaded single inlet
Outlet Inside Diameter
1.750 inches nominal 1st outlet
Design Type
jacketed
Muffler Design
multipass
Tube Quantity
3
Body Shape
oval
Operating Position
horizontal
Inlet Location
offset located on end of body single inlet
Inlet Projection Length
1.906 inches nominal single inlet
Inlet Inside Diameter
1.875 inches nominal single inlet
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
centrally located on end of body 1st outlet
Outlet Projection Length
1.906 inches nominal 1st outlet
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
1043 Exhaust Muffler
1216 Exhaust Muffler
2781263 Exhaust Muffler
41D Exhaust Muffler
5713 Exhaust Muffler
PL54 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-135-4435?
The FSCG of the NSN 2990-00-135-4435 is 2990
Does the NSN 2990-00-135-4435 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-135-4435 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 2990-00-135-4435 contain precious materials?
Item does not contain precious metal.
Does NSN 2990-00-135-4435 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 2990-00-135-4435 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Mon, Jan 6, 1969

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