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Worldwide distributor of NSN parts and consumables located in the USA.

Exhaust Muffler

Model / MPN: 121031 | NSN: 2990-00-142-0760
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Product Details
NATO Stock Number
2990-00-142-0760
Sold in multiples of
DEMIL
NO
Overall Length
15.563 inches
Inlet Connection Type
Threaded
Inlet Thread Direction
Right-hand
Overall Diameter
4.375 inches
Design Type
Dry
Coolant Type
Air
Muffler Design
Baffle
Baffle Quantity
2
Body Shape
Round
Operating Position
Horizontal
Inlet Location
Centrally located in end section of body
Inlet Projection Length
1.125 inches
Inlet Thread Size
1-1/4-11-1/2
Inlet Thread Series Designator
Npt
Inlet Thread Location
External
Outlet Connection Type
Threaded
Outlet Location
Centrally located in end section of body
Outlet Projection Length
2.875 inches
Outlet Thread Size
1-1/4-11-1/2
Outlet Thread Series Designator
Npt
Outlet Thread Direction
Right-hand
Outlet Thread Location
External
Material
Steel
Material
Steel
Surface Treatment
Paint
Surface Treatment
Paint
Fsc Application Data
Exhaust mufflers, engine, except aircraft and guided missile prime moving

Pricing and Availability

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121031 Cross Reference
  • MPM04-5011
  • SCC47830
  • M45011
  • 155C207
  • 155-207