Model: MIL-F-18180

Pipe Flange

Properties:

Groove Depth
0.250 inches
Groove Width
Between 0.281 inches and 0.344 inches
Bolt Circle Diameter
Between 4.825 inches and 4.875 inches
Flange Diameter
7.000 inches
Thickness
Between 1.250 inches and 1.312 inches
Pipe Size For Which Designed
1.500 inches
Bolt Hole Quantity
4
Bolt Hole Diameter
Between 1.100 inches and 1.125 inches
Raised Face Height
Between 0.250 inches and 0.266 inches
Raised Face Diameter
Between 3.625 inches and 3.650 inches
Neck Height
0.250 inches
Flange Section Style
Raised face, raised neck
Groove Cross-sectional Shape
Trapezoidal
Groove Pitch Diameter
2.688 inches
Face Seating Surface Condition
Machined
Material
Stainless steel or steel
Surface Treatment
Passivate
Style Designator
Round, one bolt hole circle
Specification Data
81349-mil-f-18180 government specification
Nondefinitive Specification/std Data
13 table and 14 table
NSN
4730-00-845-4992
Part Number
MIL-F-18180
Description
Flange,pipe
CAGE
81349

An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes flange, pipe, blind; ferrule, grooved clamp coupling; and adapter (as modified).

Part MIL-F-18180 NSN 4730-00-845-4992

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03798
FIIG:
A23300
Concept No.:
App. Key:
B
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:
12.5000lbs
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: 7307912000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Flanges of iron or nonalloy steel

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