Part Details | PIPE FLANGE
4730-01-273-3683 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: MILF20670B TYPE C 14, MILF20670B TYPE C 1/4, 4730-01-273-3683, 01-273-3683, 4730012733683, 012733683
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | FEB 24, 1988 | 01-273-3683 | 03798 ( FLANGE, PIPE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FACE
ROUND, ONE BOLT HOLE CIRCLE
Cross Reference | NSN 4730-01-273-3683
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MILF20670B TYPE C 1/4 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 4730-01-273-3683
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| BOLT CIRCLE DIAMETER | 2.125 INCHES NOMINAL |
| FLANGE DIAMETER | 3.250 INCHES NOMINAL |
| BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 8 |
| FLANGE SECTION STYLE | PLAIN FACE |
| THICKNESS | 0.438 INCHES NOMINAL |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 0.250 INCHES |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 150.0 POUNDS PER SQUARE INCH FUEL/OIL, HYDROCARBON AND 150.0 POUNDS PER SQUARE INCH STEAM AND 200.0 POUNDS PER SQUARE INCH WATER |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 650.0 DEG FAHRENHEIT STEAM |
| FACE SEATING SURFACE CONDITION | SERRATED |
| SPECIFICATION/STANDARD DATA | 81349-MIL-F-20670B GOVERNMENT SPECIFICATION |