ABT10661

View detailed technical data, stock status, and sourcing information for: ABT10661

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ABT10661
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-493-2736
Item Name Code
10849
Assigment Date
02/13/1970 (56 years ago)

dry design type, 2.421 inches minimum and 2.441 inches maximum 1st outlet outlet inside diameter, unthreaded single inlet inlet connection type, 23.000 inches nominal overall length, 6.620 inches nominal overall diameter

Product Characteristics

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

Overall Length
23.000 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
6.620 inches nominal
Outlet Inside Diameter
2.421 inches minimum and 2.441 inches maximum 1st outlet
Design Type
dry
Coolant Type
air
Muffler Design
multipass w/integral spark arrestor
Baffle Quantity
4
Tube Quantity
2
Body Shape
round
Operating Position
horizontal
Inlet Location
located 1.280 in. c to c from horizontal center line single inlet
Inlet Projection Length
2.500 inches nominal single inlet2.500 inches nominal
Inlet Outside Diameter
2.602 inches minimum and 2.622 inches maximum single inlet
Inlet Inside Diameter
2.505 inches minimum and 2.525 inches maximum single inlet
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
centrally located in end section of body 1st outlet
Outlet Projection Length
2.500 inches nominal 1st outlet2.500 inches nominal
Outlet Outside Diameter
2.470 inches minimum and 2.490 inches maximum 1st outlet
Special Features
3/4 in. drain plug located 45 deg from center line in bottom of muffler
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
10661 Exhaust Muffler
10661N Exhaust Muffler
1066IN Exhaust Muffler
40342 Exhaust Muffler
ABT10661 Exhaust Muffler
T-10661 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-493-2736?
The FSCG of the NSN 2990-00-493-2736 is 2990
Does the NSN 2990-00-493-2736 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-493-2736 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 2990-00-493-2736 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-493-2736 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 2990-00-493-2736 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, Feb 13, 1970

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