20-116-AB

View detailed technical data, stock status, and sourcing information for: 20-116-AB

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20-116-AB
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-192-8953
Item Name Code
10849
Assigment Date
03/11/1973 (53 years ago)

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

dry design type, 161.000 inches nominal overall length, flange single inlet inlet connection type, air coolant type, 36.000 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
161.000 inches nominal
Inlet Connection Type
flange single inlet
Overall Diameter
36.000 inches nominal
Design Type
dry
Coolant Type
air
Body Shape
round
Operating Position
universal
Inlet Location
centrally located in end section of body single inlet
Inlet Projection Length
3.500 inches nominal single inlet3.500 inches nominal
Inlet Flange Shape
round single inlet
Inlet Flange Mounting Provision And Quantity
16 holes single inlet16 holes
Inlet Flange Mounting Hole Diameter
1.125 inches nominal single inlet1.125 inches nominal
Inlet Flange Mounting Provision Spacing
holes equally spaced on 21.250 in. dia bolt circle single inlet
Outlet Connection Type
flange 1st outlet
Outlet Location
centrally located in end opposite inlet 1st outlet
Outlet Projection Length
3.500 inches nominal 1st outlet3.500 inches nominal
Outlet Flange Shape
round 1st outlet
Outlet Flange Mounting Provision And Quantity
16 holes 1st outlet16 holes
Outlet Flange Mounting Hole Diameter
1.125 inches nominal 1st outlet1.125 inches nominal
Outlet Flange Mounting Provision Spacing
holes equally spaced on 21.250 in. dia bolt circle 1st outlet
Special Features
with tank saddles and inspection opening
Material
steel location not otherwise specified

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
20-116-AB Exhaust Muffler
22-1958 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-192-8953?
The FSCG of the NSN 2990-00-192-8953 is 2990
Does the NSN 2990-00-192-8953 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-192-8953 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 2990-00-192-8953 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-192-8953 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 2990-00-192-8953 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Mar 11, 1973

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