Model: MIL-F-18866

Tube Elbow

Properties:

Thread Class
2a 2nd end
Thread Class
2b 1st end
Maximum Operating Temp
250.0 degrees fahrenheit single response
End Application
Trident submarine and landing vehicle, tracked (lct-7)
Connection Style
Flared (tube) 2nd end
Connection Style
Swivel nut, flare (tube) style 3 optional end 1st end
Leg Length
1.125 inches 1st end
Leg Length
0.828 inches 2nd end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal tube 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Seat Angle
12.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Flow Angle
45.0 degrees
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Stainless steel
Material Specification
66, 300 series federal standard single material response
Media For Which Designed
Air 1st response
Media For Which Designed
Hydraulic fluid 2nd response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 1 or 2 federal specification single treatment response
Thread Series Designator
Unf all ends
Furnished Items And Quantity
1 tube coupling nut w/sleeve
Specification Data
96906-ms51522 government standard and 81349-mil-f-18866 government specification
NSN
4730-00-090-0564
Part Number
MIL-F-18866
Description
Elbow,tube
CAGE
81349

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 MIL-F-18866 NSN 4730-00-090-0564

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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: 7307225000
  • SITC: 67954
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Stainless steel pipe elbows and bends

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