NSN 4730-00-256-8589
Part Details | PIPE FLANGE
4730-00-256-8589 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).
Alternate Parts: MILF20668TYPEACLASS1, MIL-F-20668TYPEACLASS1, B3327A, X9994A ITEM B3327A, X9994A, 4730-00-256-8589, 00-256-8589, 4730002568589, 002568589
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
47 | JAN 01, 1961 | 00-256-8589 | 03798 ( FLANGE, PIPE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FACE, RAISED NECK

ROUND, ONE BOLT HOLE CIRCLE

Cross Reference | NSN 4730-00-256-8589
Part Number | Cage Code | Manufacturer |
---|---|---|
MIL-F-20668TYPEACLASS1 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
B3327A | 61208 | TWIN DISC INCORPORATED |
X9994A ITEM B3327A | 61208 | TWIN DISC INCORPORATED |
X9994A | 61208 | TWIN DISC INCORPORATED |
Technical Data | NSN 4730-00-256-8589
Characteristic | Specifications |
---|---|
MATERIAL | IRON |
STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
BOLT CIRCLE DIAMETER | 5.000 INCHES NOMINAL |
FLANGE DIAMETER | 6.125 INCHES NOMINAL |
BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
BOLT HOLE QUANTITY | 6 |
FLANGE SECTION STYLE | PLAIN FACE, RAISED NECK |
THICKNESS | 0.562 INCHES NOMINAL |
NECK HEIGHT | 0.500 INCHES NOMINAL |
NOMINAL PIPE SIZE FOR WHICH DESIGNED | 2.500 INCHES |
SCREW THREAD SERIES DESIGNATOR | NPT |
NOMINAL THREAD SIZE | 2.500 INCHES |
THREAD QUANTITY PER INCH | 8 |
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 100.0 POUNDS PER SQUARE INCH STEAM |
FACE SEATING SURFACE CONDITION | MACHINED |
NONDEFINITIVE SPEC/STD DATA | A TYPE AND 1 CLASS |