| FABRICATION METHOD | MACHINED |
| LENGTH TO SHOULDER | 0.460 INCHES NOMINAL |
| NUT STYLE | TUBE COUPLING |
| MATERIAL DOCUMENT AND CLASSIFICATION | MS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE OR MS5639 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 304 OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.125 INCHES |
| NUT HEIGHT | 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM |
| SMALLEST INSIDE DIAMETER | 0.180 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, COUPLING, FLARED |
| WIDTH ACROSS FLATS | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MS-QQ-P-35, TYPE 6 OR 7 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |