Model: 54-287

Pipe Flange

Properties:

Bolt Circle Diameter
2.375 inches
Flange Diameter
3.000 inches
Thickness
0.312 inches
Pipe Size For Which Designed
0.438 inches
Neck Diameter
1.781 inches
Bolt Hole Quantity
4
Bolt Hole Diameter
0.375 inches
Neck Height
0.438 inches
Flange Section Style
Plain face, long neck
Face Seating Surface Condition
Unfinished
Material
Iron
Style Designator
Round, one bolt hole circle
NSN
4730-00-430-0671
Part Number
54-287
Description
Flange,pipe
CAGE
35301

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 54-287 NSN 4730-00-430-0671

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:
CRITL:
X

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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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