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Tube To Boss Tee

Model / MPN: AS18280 | NSN: 4730-01-189-5974
ITAR Registered seal

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connectio (s) 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. The boss connection(s) 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 may have side inlet(s) . It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also tee, tube; and tee, pipe to tube. Excludes connector, multiple, fluid pressure line.

Product Details
NATO Stock Number
4730-01-189-5974
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 2nd end
Thread Class
3a 1st end
Thread Class
3a 1st end bulkhead
Thread Class
3b 3rd end
End Application
18n aircraft, intruder a-6e
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flareless (tube) 1st end
Leg Length
1.367 inches 3rd end
Leg Length
1.601 inches 2nd end
Leg Length
2.461 inches 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 1st end bulkhead
Connection Type
Threaded internal boss 3rd end
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
12 1st end bulkhead
Thready Qty Per Inch (tpi)
12 3rd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.875 inches 2nd end
Thread Size
1.062 inches 1st end
Thread Size
1.062 inches 1st end bulkhead
Thread Size
1.062 inches 3rd end
Seat Angle
12.0 degrees 1st end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Material
Steel comp 304
Material Specification
66 federal standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, e300, type 2 military specification single treatment response outside
Surface Treatment Specification
Mil-s-5002 military specification single treatment response inside
Thread Series Designator
Unj 1st end
Thread Series Designator
Unj 1st end bulkhead
Thread Series Designator
Unj 3rd end
Thread Series Designator
Unjf 2nd end
Specification Data
81343-as1001 professional/industrial association standard
Nondefinitive Specification/std Data
8 style
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC16TJ778 Tee, Tube To Boss 4 EA 08/11/2016
SPE7MC17TC167 Tee, Tube To Boss 2 EA 03/13/2017
SPE7MC17TD152 Tee, Tube To Boss 4 EA 03/17/2017
SPE7M318T4370 Tee, Tube To Boss 3 EA 03/02/2018
SPE7M318T5947 Tee, Tube To Boss 2 EA 04/05/2018
SPE7M318T7089 Tee, Tube To Boss 1 EA 04/30/2018
SPE7M318T182H Tee, Tube To Boss 18 EA 10/01/2018
SPE7M319T1548 Tee, Tube To Boss 8 EA 11/13/2018
SPE7M319T4968 Tee, Tube To Boss 12 EA 02/07/2019

Pricing and Availability

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AS18280 Cross Reference
  • LER100J121012
  • AS1001
  • LER-783J121012
  • ER-783J121012
  • ER1001J121012
  • AS1001J121012
  • AS1001J121012
  • ER-783J121012
  • ER1001J121012