NSN 4730-01-201-2255
Part Details | TUBE COUPLING NUT
4730-01-201-2255 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.
Alternate Parts: 2620219X1 PC146, 2620-219X1 PC146, NS44, NS4-4, 8452445071ITEM34, 845-2445071ITEM34, 8451889863 PC146, 845-1889863 PC146, 4730-01-201-2255, 01-201-2255, 4730012012255, 012012255
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | FEB 14, 1985 | 01-201-2255 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-01-201-2255
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2620-219X1 PC146 | 96169 | ELECTRIC BOAT CORPORATION |
| NS4-4 | 39130 | KOLPAK INDUSTRIES INCMC CALL REFRIGERATOR DIV |
| 845-2445071ITEM34 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-1889863 PC146 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4730-01-201-2255
| 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 | TUBE COUPLING |
| NUT HEIGHT | 0.590 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.440 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| SEAT ANGLE | 43.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM |
| FABRICATION METHOD | FORGED |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |