Model: MS21907-4K

Tube Elbow

Properties:

Thread Class
3a 2nd end
Thread Class
3a 2nd end bulkhead
Thread Class
3a 1st end
End Application
Aircraft, th53a
Connection Style
Inverted flare (tube) 1st end
Connection Style
Inverted flare (tube) 2nd end
Leg Length
1.453 inches 2nd end
Leg Length
0.688 inches 1st end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Thread Size
0.438 inches 2nd end
Thread Size
0.438 inches 2nd end bulkhead
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Flow Angle
45.0 degrees
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Material
Steel comp 314
Thread Series Designator
Unjf 2nd end
Thread Series Designator
Unjf 2nd end bulkhead
Thread Series Designator
Unjf 1st end
Specification Data
96906-ms21907 government standard
NSN
4730-01-386-0678
Part Number
MS21907-4K
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 MS21907-4K NSN 4730-01-386-0678

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

Packaging & Shipping

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