Model: AS21908

Tube Elbow

Properties:

Thread Class
3a 1st end bulkhead
Thread Class
3a all ends
Maximum Operating Temp
275.0 degrees fahrenheit single response
End Application
Used on chinkk helicopter ch-47
Connection Style
Flareless (tube) all ends
Leg Length
2.000 inches 2nd end
Leg Length
2.875 inches 1st end
Connection Type
Threaded external tube 1st end bulkhead
Connection Type
Threaded external tube all ends
Thready Qty Per Inch (tpi)
12 1st end bulkhead
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
1.625 inches 1st end bulkhead
Thread Size
1.625 inches all ends
Seat Angle
12.0 degrees all ends
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
1.250 inches 1st end bulkhead
Outside Diameter Tube Accommodated
1.250 inches all ends
Material
Aluminum alloy 7075
Material Specification
Qq-a-367, t6 federal specification single material response
Media For Which Designed
Hydraulic fluid single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type2, class 1 military specification single treatment response
Thread Series Designator
Unj 1st end bulkhead
Thread Series Designator
Unj all ends
Specification Data
96906-ms21908 government standard
NSN
4730-00-640-1216
Part Number
AS21908
Description
Elbow,tube
CAGE
81343

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe and connector, multiple, fluid pressure line.

Part AS21908 NSN 4730-00-640-1216

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03771
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:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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