Part Details | UNION NUT
4730-01-186-0681 An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes NUT (1), TUBE COUPLING.
Alternate Parts: SS5452104397 PC4 1 IPS, SS545-2104397 PC-4 1 IPS, SS5452104397, SS-545-2104397, 4730-01-186-0681, 01-186-0681, 4730011860681, 011860681
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | AUG 07, 1984 | 01-186-0681 | 19964 ( NUT, UNION ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 4730-01-186-0681
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SS545-2104397 PC-4 1 IPS | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| SS-545-2104397 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4730-01-186-0681
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 2.125 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 2.281 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.750 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 1.469 INCHES NOMINAL |
| SHOULDER STEP WIDTH | 0.188 INCHES NOMINAL |
| SHOULDER SEAT DIAMETER | 2.035 INCHES NOMINAL |
| MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED | 3000.0 POUNDS PER SQUARE INCH AIR AND 3000.0 POUNDS PER SQUARE INCH OIL AND 3000.0 POUNDS PER SQUARE INCH WATER |
| SPECIAL FEATURES | 1.000 IN.IPS |