Model: NB-3138

Pipe Flange

Properties:

Bolt Circle Diameter
2.125 inches
Flange Diameter
3.250 inches
Thickness
0.438 inches
Neck Diameter
1.125 inches
Bolt Hole Quantity
3
End Application
Governor pilot valve
Bolt Hole Diameter
0.562 inches
Neck Height
0.312 inches
Flange Section Style
Plain face, long neck
Face Seating Surface Condition
Machined
Material
Steel comp 1035 and steel comp 1045
Style Designator
Round, one bolt hole circle
NSN
4730-01-198-1163
Part Number
NB-3138
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 NB-3138 NSN 4730-01-198-1163

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
051080
UFC:
29300
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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