NSN 4730-00-554-8020
Part Details | TUBE COUPLING NUT
4730-00-554-8020 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: MS2192116, MS21921-16, MS2192116, MS21921-16, AS21921, AS18280, AP2109T16, 20221600W16, 202-21600W16, 4730-00-554-8020, 00-554-8020, 4730005548020, 005548020
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1961 | 00-554-8020 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-554-8020
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS21921-16 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS21921-16 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS21921 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AP2109T16 | 01673 | SPS TECHNOLOGIES, LLCDBA AIRDROME PRECISION COMPONENTS |
| 202-21600W16 | 80378 | TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT |
Technical Data | NSN 4730-00-554-8020
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 1.312 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 1.040 INCHES MINIMUM AND 1.060 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.500 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM |
| SMALLEST INSIDE DIAMETER | 1.074 INCHES MINIMUM AND 1.079 INCHES MAXIMUM |
| SEAT ANGLE | 45.00 DEGREES NOMINAL |
| FABRICATION METHOD | MACHINED |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.000 INCHES |
| SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| END ITEM IDENTIFICATION | AIRCRAFT APPLICATION; USED ON GUN,FIELD ARTILLERY,175 MM,M107 AND HOWITZER,HEAVY,8-INCH,M110/M110A1 |