Model: MIL-F-18866

Pipe To Tube Straight Adapter

Properties:

Thread Class
2a 1st end
Maximum Operating Temp
400.0 degrees fahrenheit single response
End Application
Gun, field artillery, 175mm, m107 and howitzer, heavy, 8-inch, m110/m110a1
Connection Style
Flareless (tube) 1st end
Connection Style
Plain (pipe) 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
0.250 inches 2nd end
Thread Size
0.562 inches 1st end
Seat Angle
12.0 degrees 1st end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Nominallength
1.340 inches
Material
Steel
Material Specification
Qq-s-624 federal specification single material response or qq-s-631 federal specification single material response or qq-s-637 federal specification single material response
Surface Treatment Specification
J514 assn standard single treatment response
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response inside
Surface Treatment Specification
Qq-p-416, type 3, cl 2 federal specification single treatment response outside
Thread Series Designator
Nptf 2nd end
Thread Series Designator
Unf 1st end
Furnished Items And Quantity
1 tube coupling nut w/sleeve
Specification Data
96906-ms51819 government standard and 81343-j514 professional/industrial association standard
Nondefinitive Specification/std Data
19a figure
NSN
4730-00-833-0508
Part Number
MIL-F-18866
Description
Adapter,straight,pipe To Tube
CAGE
81349

An adapter having standard pipe threads on one end or an unthreaded end 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 is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

Part MIL-F-18866 NSN 4730-00-833-0508

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03776
FIIG:
A080B0
Concept No.:
1
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: 7307992000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of iron or nonalloy steel

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