Model: MIL-F-18866

Tube To Boss Elbow

Special Features:

Weapon system essential

Properties:

Thread Class
2a all ends
Maximum Operating Temp
400.0 degrees fahrenheit single response
Connection Style
Double threaded section w/ gasket and locknut sealing (boss) 2nd end
Connection Style
Flared (tube) 1st end
Leg Length
1.812 inches 1st end
Leg Length
2.047 inches 2nd end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.312 inches all ends
Seat Angle
37.0 degrees 1st end
Flow Angle
90.0 degrees
Criticality Code Justification
Feat
Outside Diameter Tube Accommodated
1.000 inches 1st end
Material
Steel comp 12l14
Surface Treatment Specification
J514 assn standard single treatment response
Thread Series Designator
Un all ends
Furnished Items And Quantity
1 flared sleeve and 1 locknut and 1 preformed packing and 1 short coupling nut and 1 flat washer
Specification Data
81349 - mil-f-18866 government specification
NSN
4730-00-840-7236
Part Number
MIL-F-18866
Description
Elbow,tube To Boss
CAGE
81349

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting 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. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part MIL-F-18866 NSN 4730-00-840-7236

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22679
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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 0.0 X 0.0
Paclk Weight:
1.5000lbs
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: 8710000090
  • SITC: 89111
  • End Use: Military trucks, armored vehicles, etc.
  • NAICS: 336992
  • USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons

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