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NationalStockNumber.INFO

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

Exhaust Muffler

Model / MPN: 1921 | NSN: 2990-00-056-4628
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Product Details
NATO Stock Number
2990-00-056-4628
Sold in multiples of
1 EA
DEMIL
NO
Overall Length
8.125 inches
Overall Height
5.125 inches
Overall Width
8.000 inches
Inlet Connection Type
Flange
Outlet Inside Diameter
1.500 inches
Design Type
Dry
Coolant Type
Air
Muffler Design
Any acceptable
Tube Quantity
2
Body Shape
Oval
Operating Position
Horizontal
Inlet Location
Located on periphery of body, 1.875 in. From end
Inlet Flange Shape
Oval
Inlet Flange Mounting Provision And Quantity
2 holes
Inlet Flange Mounting Provision Thread Size
3/8-16
Inlet Flange Mounting Provision Thread Series Designator
Unc
Inlet Flange Mounting Provision Thread Direction
Right-hand
Inlet Flange Mounting Provision Spacing
2-11/16 in. C to c dim. Of mtg holes
Outlet Connection Type
Unthreaded
Outlet Location
Located on periphery on opposite side from inlet 1.750 in. From end opposite inlet
Outlet Projection Length
0.938 inches
Outlet Outside Diameter
1.635 inches
Material
Steel
Material
Steel
Surface Treatment
Chromate
Surface Treatment
Chromate

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1921 Cross Reference
  • A-44850
  • 13211E4870-109-0248
  • 13211E4870-109-0248
  • 13211E4870
  • A-44850
  • 0109-0248
  • AT1-1921