Part Details | UNION NUT
4730-01-121-2750 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: 262171301PC20, 2621-713-01PC20, 262171301 PC2, 2621-713-01 PC2, 262171301 PIECE 20, 2621-713-01 PIECE 20, 262171301, 2621-713-01, 4730-01-121-2750, 01-121-2750, 4730011212750, 011212750
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | NOV 04, 1981 | 01-121-2750 | 19964 ( NUT, UNION ) |
REFERENCE DRAWINGS & PICTURES
ROUND
Cross Reference | NSN 4730-01-121-2750
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2621-713-01PC20 | 71905 | DERBYSHIRE MACHINE & TOOL CO |
| 2621-713-01 PC2 | 71905 | DERBYSHIRE MACHINE & TOOL CO |
| 2621-713-01 PIECE 20 | 96169 | ELECTRIC BOAT CORPORATION |
| 2621-713-01 | 96169 | ELECTRIC BOAT CORPORATION |
Technical Data | NSN 4730-01-121-2750
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 3.062 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | ROUND |
| SHOULDER WIDTH | 0.300 INCHES NOMINAL |
| NUT DIAMETER | 3.500 INCHES NOMINAL |
| NUT HEIGHT | 1.500 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 2.650 INCHES NOMINAL |
| SHOULDER STEP WIDTH | 0.385 INCHES NOMINAL |
| SHOULDER SEAT DIAMETER | 2.660 INCHES NOMINAL |
| SPECIAL FEATURES | 8 RIBS EQUALLY SPACED ON OUTSIDE DIA |