Model: U21220AD

Flange To Boss Straight Adapter

Properties:

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
NSN
4730-00-262-1097
Part Number
U21220AD
Description
Adapter,straight,flange To Boss
CAGE
08118

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.

Part U21220AD NSN 4730-00-262-1097

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29653
FIIG:
A080B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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