Model: AA1749J0404

Tube Elbow

Properties:

Thread Class
3a 2nd end
Thread Class
3b 1st end
Connection Style
Flared (tube) 2nd end
Connection Style
Swivel nut, flare (tube) style 3 optional end 1st end
Leg Length
0.438 inches 1st end
Leg Length
0.726 inches 2nd end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal tube 1st end
Thread Size
0.438 inches all ends
Seat Angle
37.0 degrees all ends
Flow Angle
45.0 degrees
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Steel comp 304
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 1 federal specification single treatment response
Thread Series Designator
Unjf all ends
NSN
4730-01-346-9715
Part Number
AA1749J0404
Description
Elbow,tube
CAGE
06581

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 AA1749J0404 NSN 4730-01-346-9715

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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
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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