National Item Identification Number

00-256-8587
002568587
4730-00-256-8587
4730002568587

National Stock Number

Item Name

FLANGE,PIPE

Federal Supply Class

4730

Description

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).

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

MIL-F-20668TYPEACLASS1

Required Categories

MATERIAL
STYLE DESIGNATOR
BOLT CIRCLE DIAMETER
FLANGE DIAMETER
BOLT HOLE DIA

Required Description

IRON
1 ROUND, ONE BOLT HOLE CIRCLE
3.938 INCHES NOMINAL
5.062 INCHES NOMINAL;