Part Details | UNION NUT
4730-01-454-5257 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: 8031385711XX4, 803-1385711-XX-4, 1385711XX4, 1385711-XX-4, 1385711, 138571XX4, 138571-XX-4, 4730-01-454-5257, 01-454-5257, 4730014545257, 014545257
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | APR 03, 1998 | 01-454-5257 | 19964 ( NUT, UNION ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 4730-01-454-5257
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-1385711-XX-4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 1385711-XX-4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 1385711 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 138571-XX-4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4730-01-454-5257
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 3.125 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | HEXAGON |
| SHOULDER WIDTH | 0.188 INCHES NOMINAL |
| NUT HEIGHT | 0.958 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 3.500 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 2.531 INCHES NOMINAL |
| SHOULDER STEP WIDTH | 0.188 INCHES NOMINAL |
| SHOULDER SEAT DIAMETER | 3.120 INCHES NOMINAL |
| SPECIAL FEATURES | WEAPONS CODE=NIMITZ CLASS CVN |