2990-00-947-6103

Find complete technical information, availability, and procurement data for: 2990-00-947-6103

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2990-00-947-6103
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-947-6103
Item Name Code
10849
Assigment Date
03/30/1966 (60 years ago)

A fitting that forms an angle of less than 180 degrees (3.142 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe; elbow, tube; and connector, multiple, fluid pressure line.

3.250 inches nominal overall diameter, dry design type, 10.000 inches minimum and 10.250 inches maximum overall length, air coolant type, 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
10.000 inches minimum and 10.250 inches maximum
Inlet Connection Type
unthreaded single inlet
Overall Diameter
3.250 inches nominal
Design Type
dry
Coolant Type
air
Muffler Design
baffle
Baffle Quantity
3
Tube Quantity
3
Body Shape
round
Operating Position
vertical
Inlet Location
on side of body 1.375 in. vertical c of inlet to end of body single inlet
Inlet Projection Length
1.250 inches nominal single inlet1.250 inches nominal
Inlet Outside Diameter
1.188 inches nominal single inlet1.188 inches nominal
Inlet Inside Diameter
1.062 inches nominal single inlet1.062 inches nominal
Outlet Connection Type
threaded 1st outlet
Outlet Location
on side of body 1.375 in. c of outlet to end of body opposite inlet body end 1st outlet
Outlet Projection Length
1.250 inches nominal 1st outlet1.250 inches nominal
Outlet Thread Size
1-11-1/2 1st outlet
Outlet Thread Direction
right-hand 1st outlet
Outlet Thread Location
external 1st outlet
Special Features
w/mtg bracket
Material
steel location not otherwise specified
Surface Treatment
paint
Fsc Application Data
engine,nonaircraft

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
155-0692 Exhaust Muffler
155-692 Exhaust Muffler
155D692 Exhaust Muffler
6666 Exhaust Muffler
ABT6666 Exhaust Muffler
T-6666 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-947-6103?
The FSCG of the NSN 2990-00-947-6103 is 2990
Does the NSN 2990-00-947-6103 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-947-6103 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 2990-00-947-6103 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-947-6103 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 2990-00-947-6103 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Mar 30, 1966

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