Model: 20-3/4

Pipe Flange

Special Features:

Flanges conform to asa standard b16.5

Properties:

Bolt Circle Diameter
2.750 inches
Flange Diameter
3.875 inches
Thickness
0.500 inches
Socket Depth
0.440 inches
Socket Diameter
1.090 inches
Pipe Size For Which Designed
0.750 inches
Bolt Hole Quantity
4
End Application
Cv63 u.S.S. Kitty hawk
Bolt Hole Diameter
0.620 inches
Raised Face Height
0.062 inches
Raised Face Diameter
1.500 inches
Neck Height
0.125 inches
Flange Section Style
Raised face, socket neck
Face Seating Surface Condition
Serrated
Maximum Operating Pressure And Media For Which Designed
150.0 pounds per square inch gas and 150.0 pounds per square inch oil and 150.0 pounds per square inch water
Maximum Operating Tempurature And Media For Which Designed
400.0 degrees fahrenheit gas and 400.0 degrees fahrenheit oil and 400.0 degrees fahrenheit water
Material
Steel
Material Specification
Astm a181, grade 1 assn standard single material response
Surface Treatment
Paint
Style Designator
Round, one bolt hole circle
NSN
4730-01-023-7770
Part Number
20-3/4
Description
Flange,pipe
CAGE
34646

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 20-3/4 NSN 4730-01-023-7770

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:
1.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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