Model: 1173-20-20

Pipe Flange

Special Features:

Sae 4-bolt straight threaded in-line flange is a code 61 series

Properties:

Thickness
1.500 inches
Pipe Size For Which Designed
1.250 inches
Center To Center Distance Between Bolt Holes Along Width
1.188 inches
Center To Center Distance Between Bolt Holes Along Length
2.312 inches
Outside Edge To Bolt Hole Center Distance Along Width
0.439 inches
Outside Edge To Bolt Hole Center Distance Along Length
0.656 inches
Bolt Hole Quantity
4
Flange Length
3.190 inches
End Application
Interconnection
Flange Width
2.500 inches
Bolt Hole Diameter
0.470 inches
Flange Section Style
Plain face
Face Seating Surface Condition
Machined
Unthreaded Reducer Hole Diameter
1.250 inches
Material
Steel
Style Designator
Rectangular, with bolt holes
NSN
4730-01-485-7644
Part Number
1173-20-20
Description
Flange,pipe
CAGE
7X443

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 1173-20-20 NSN 4730-01-485-7644

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:
A
ESD:
A
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:
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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