Model: W21908D16-12

Tube To Boss Elbow

Properties:

Thread Class
3a 1st end bulkhead
Thread Class
3a all ends
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flareless (tube) 1st end
Leg Length
1.742 inches 2nd end
Leg Length
2.617 inches 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
12 1st end bulkhead
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.312 inches 1st end
Thread Size
1.312 inches 1st end bulkhead
Thread Size
1.062 inches 2nd end
Seat Angle
12.0 degrees 1st end
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
1.000 inches 1st end
Material
Aluminum alloy
Surface Treatment
Anodize
Thread Series Designator
Unj 1st end bulkhead
Thread Series Designator
Unj all ends
Specification Data
81343-as1008 professional/industrial association standard
Nondefinitive Specification/std Data
1 style
NSN
4730-00-818-9808
Part Number
W21908D16-12
Description
Elbow,tube To Boss
CAGE
00624

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting 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. 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 may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part W21908D16-12 NSN 4730-00-818-9808

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22679
FIIG:
A080B0
Concept No.:
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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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