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Flange To Boss Straight Adapter

Model / MPN: U21220AD | NSN: 4730-00-262-1097
ITAR Registered seal

An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. 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 flange or flange fitting to boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like.

Product Details
NATO Stock Number
4730-00-262-1097
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a 2nd end
Bolt Hole Quantity
4 1st end
End Application
Aircraft application
Connection Style
External seat for gasket seal (boss) 2nd end
Width
3.000 inches 1st end
Length
3.000 inches 1st end
Flange Shape
Rectangular with holes 1st end
Connection Type
Flange 1st end
Connection Type
Threaded external boss 2nd end
Thready Qty Per Inch (tpi)
16 2nd end
Thread Size
2.669 inches 2nd end
Thickness
0.187 inches 1st end
Bolt Hole Diameter
0.328 inches 1st end
Center To Center Distance Between Bolt Holes Along Length
2.344 inches 1st end
Center To Center Distance Between Bolt Holes Along Width
2.344 inches 1st end
Flange Face Design
Plain 1st end
Nominallength
1.290 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-200/3, t8510 federal specification single material response or qq-a-225/6, t851 federal specification single material response or qq-a-268, t6 federal specification single material response
Thread Series Designator
Uns 2nd end

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U21220AD Cross Reference
  • T1075-200AZ