NSN 4730-00-256-8555
Part Details | PIPE FLANGE
4730-00-256-8555 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: MILF20670, TYPE C, SZ 114 IN, MIL-F-20670, TYPE C, SZ 1-1/4 IN, MILF20670, B110TYPEC, 4730-00-256-8555, 00-256-8555, 4730002568555, 002568555
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1961 | 00-256-8555 | 03798 ( FLANGE, PIPE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FACE
ROUND, ONE BOLT HOLE CIRCLE
Cross Reference | NSN 4730-00-256-8555
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL-F-20670, TYPE C, SZ 1-1/4 IN | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MILF20670 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| B110TYPEC | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4730-00-256-8555
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| BOLT CIRCLE DIAMETER | 3.375 INCHES NOMINAL |
| FLANGE DIAMETER | 4.500 INCHES NOMINAL |
| BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 4 |
| FLANGE SECTION STYLE | PLAIN FACE |
| THICKNESS | 0.438 INCHES NOMINAL |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 1.250 INCHES |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 150.0 POUNDS PER SQUARE INCH STEAM AND 200.0 POUNDS PER SQUARE INCH GAS AND 200.0 POUNDS PER SQUARE INCH OIL AND 200.0 POUNDS PER SQUARE INCH WATER |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 775.0 DEG FAHRENHEIT STEAM AND 3000.0 DEG FAHRENHEIT GAS AND 300.0 DEG FAHRENHEIT OIL AND 300.0 DEG FAHRENHEIT WATER |
| FACE SEATING SURFACE CONDITION | SERRATED |
| NONDEFINITIVE SPEC/STD DATA | C TYPE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THNK OF FLANGE |