Part Details | UNION NUT
4730-01-257-6937 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: H850N4SS, H850N-4-SS, 0451B00231, 0451B0023-1, 6534C5961, 6534C596-1, 0451B00231, 0451B0023-1, 4730-01-257-6937, 01-257-6937, 4730012576937, 012576937
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JUN 23, 1987 | 01-257-6937 | 19964 ( NUT, UNION ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 4730-01-257-6937
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| H850N-4-SS | 99565 | ADMIRAL VALVE, LLCDBA CPV MANUFACTURING |
| 0451B0023-1 | 03538 | LOCKHEED MARTIN CORPORATIONDIV RMS |
| 6534C596-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
| 0451B0023-1 | 34712 | OLDENBURG GROUP INCORPORATEDDBA OLDENBURG - LAKE SHORE |
Technical Data | NSN 4730-01-257-6937
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.375 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.250 INCHES NOMINAL |
| TEMP RATING | -20.0 DEG FAHRENHEIT MINIMUM AND 225.0 DEG FAHRENHEIT MAXIMUM |
| MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED | 3000.0 POUNDS PER SQUARE INCH OIL |