Model: MS21907-3

Tube Elbow

Properties:

Thread Class
3a 2nd end
Thread Class
3a 1st end
Connection Style
Flareless (tube) 1st end
Connection Style
Flareless (tube) 2nd end
Leg Length
1.328 inches 1st end and 1.375 inches 1st end
Leg Length
0.656 inches 2nd end and 0.703 inches 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Thread Size
0.375 inches 2nd end
Thread Size
0.375 inches 1st end
Seat Angle
12.0 degrees 1st end
Seat Angle
12.0 degrees 2nd end
Flow Angle
45.0 degrees
Material
Steel comp 1137 or steel comp 1141 or steel comp 4130 or steel comp 4140
Material Specification
Qq-s-637, comp 1137 federal specification 1st material response or qq-s-637, comp 1141 federal specification 2nd material response or mil-s-6758, 4130 military specification 3rd material response or mil-s-5626, 4140 military specification 4th material response
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response inside
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response outside
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end
NSN
4730-00-448-9504
Part Number
MS21907-3
Description
Elbow,tube
CAGE
96906

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 MS21907-3 NSN 4730-00-448-9504

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:
CRITL:
X

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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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