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

Tube Tee

Model / MPN: 131B123 | NSN: 4730-00-274-5578
ITAR Registered seal

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. It may have side inle (s) . It is used as a junction at the intersection of a tube or tube fitting.

Product Details
NATO Stock Number
4730-00-274-5578
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a 2nd end bulkhead
Thread Class
2a all ends
Connection Style
Flared (tube) 1st end
Connection Style
Flared (tube) 3rd end
Connection Style
Flareless (tube) 2nd end
Leg Length
1.020 inches 1st end
Leg Length
1.080 inches 3rd end
Leg Length
1.600 inches 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded external tube 2nd end bulkhead
Connection Type
Threaded external tube 3rd end
Thread Size
0.438 inches 1st end
Thread Size
0.562 inches 2nd end
Thread Size
0.562 inches 2nd end bulkhead
Thread Size
0.562 inches 3rd end
Seat Angle
12.0 degrees 2nd end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 3rd end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.375 inches 2nd end
Outside Diameter Tube Accommodated
0.375 inches 3rd end
Reduced Passage Inside Diameter
0.040 inches 2nd end
Material
Aluminum alloy
Surface Treatment
Anodize
Thread Series Designator
Unf 2nd end bulkhead
Thread Series Designator
Unf all ends
131B Series Parts

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131B123 Cross Reference