NSN 4730-00-555-8203
Part Details | TUBE COUPLING NUT
4730-00-555-8203 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: VSF12124WW, VSF1212-4WW, VSF12124WW, VSF1212-4WW, 118216002304, 118-21600-230-4, 118216002304, 118-21600-230-4, 137618257, ER8174D, ER817-4D, MS21921D4, 2652291W4, DV600W4, AS21921, AS18280, MS219214D, MS21921-4D, AS219214D, AS21921-4D, 20221600W4, 202-21600W4, CVC4257W4, 15615, 156/15, 4730-00-555-8203, 00-555-8203, 4730005558203, 005558203
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1961 | 00-555-8203 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-555-8203
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| VSF1212-4WW | C4293 | ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH |
| VSF1212-4WW | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 118-21600-230-4 | 79470 | DANA CORPWEATHERHEAD DIV |
| 118-21600-230-4 | 14798 | DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA |
| 137618257 | A0199 | LEONARDO S.P.A. DIVISIONE SISTEMIDIDIFESA |
| ER817-4D | 81755 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
| MS21921D4 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 2652291W4 | 92003 | PARKER HANNIFIN CORPORATIONDIV AEROSPACE GROUP HEADQUARTERS |
| DV600W4 | 17491 | S-I ELECTRONICS INC |
| AS21921 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS21921-4D | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS21921-4D | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| 202-21600W4 | 80378 | TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT |
| CVC4257W4 | 80378 | TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT |
| 156/15 | K7018 | WELLMAN GROUP |
Technical Data | NSN 4730-00-555-8203
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM |
| SMALLEST INSIDE DIAMETER | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| SEAT ANGLE | 45.00 DEGREES NOMINAL |
| FABRICATION METHOD | |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
| SPECIAL FEATURES | GRUMMAN AEROSPACE CORP A10 AIRCRAFT; WEAPON SYSTEM ESSENTIAL |
| SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| END ITEM IDENTIFICATION | AIRCRAFT APPLICATION,IROQUIS UH-1,CHINOOK CH-47 HELICOPTER,DELTA DART F-106,F-111. TOMCAT F-14A,STARLIFTER C-141 AIRCRAFT,E-3A AIRCRAFT WARNING AND CONTROL SYSTEM (AWACS) |