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
Grumman a10 aircraft; 25f aircraft, awacs, e-3a
Connection Style
Leg Length
1.062 inches 2nd end
Leg Length
1.688 inches 1st end
Connection Type
Threaded external tube all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches 1st end bulkhead
Thread Size
0.562 inches all ends
Seat Angle
12.0 degrees all ends
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Steel
Media For Which Designed
Hydraulic fluid single response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-4156, type 2, class 2 federal specification single treatment response
Thread Series Designator
Unjf all ends
Thread Series Designator
Unjf 1st end bulkhead
Specification Data
96906-ms21908 government standard
NSN
4730-00-541-6478
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 4730-00-541-6478

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307929000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes

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