Model: B16.1

Pipe Flange

Properties:

Bolt Circle Diameter
3.125 inches
Flange Diameter
4.250 inches
Thickness
0.440 inches
Pipe Size For Which Designed
1.000 inches
Bolt Hole Quantity
4
Bolt Hole Diameter
0.625 inches
Neck Height
0.250 inches
Flange Section Style
Plain face, raised neck
Screw Thread Series Designator
Npt
Face Seating Surface Condition
Machined
Thready Qty Per Inch (tpi)
11-1/2
Maximum Operating Pressure And Media For Which Designed
125.0 pounds per square inch gas and 175.0 pounds per square inch water
Thread Size
1.000 inches
Material
Iron
Style Designator
Round, one bolt hole circle
Specification Data
80204-b16.1 professional/industrial association standard
Nondefinitive Specification/std Data
5 table
NSN
4730-00-189-2685
Part Number
B16.1
Description
Flange,pipe
CAGE

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 B16.1 NSN 4730-00-189-2685

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:
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:
1.9000lbs
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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