Model: MIL-F-18866

Pipe To Tube Elbow

Properties:

Thread Class
2a 1st end
Maximum Operating Temp
-65.0 degrees fahrenheit 1st response
Maximum Operating Temp
250.0 degrees fahrenheit 2nd response
End Application
6jm howitzer, medium, sp, 155mm, w/radio vrc-47 (m109)
Connection Style
Flared (tube) 1st end
Connection Style
Plain (pipe) 2nd end
Leg Length
1.420 inches 1st end
Leg Length
1.590 inches 2nd end
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded external tube 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Seat Angle
37.0 degrees 1st end
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Steel comp 12l14
Material Specification
66 federal standard single material response
Media For Which Designed
Hydraulic fluid single response
Surface Treatment Specification
J514 assn standard single treatment response and qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Nptf 2nd end
Thread Series Designator
Unf 1st end
Furnished Items And Quantity
1 tube coupling nut and 1 flared sleeve
Specification Data
81349-mil-f-18866 government specification and 81343-j514 professional/industrial association standard and 96906-ms51504 government standard
Nondefinitive Specification/std Data
4a figure
NSN
4730-00-618-8126
Part Number
MIL-F-18866
Description
Elbow,pipe To Tube
CAGE
81349

A fitting that forms an angle of less than 180 degrees (3.142 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has 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; elbow, tube; and connector, multiple, fluid pressure line.

Part MIL-F-18866 NSN 4730-00-618-8126

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03770
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:
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:
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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