| MATERIAL | STEEL COMP 1137 OR |
| STEEL COMP 1141 OR |
| STEEL COMP 4130 OR |
| STEEL COMP 4140 OVERALL |
| CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |
| THREADED EXTERNAL BOSS 2ND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE AND |
| QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE AND |
| MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE AND |
| MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM INSIDE |
| CADMIUM OUTSIDE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE |
| QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END |
| EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END |
| THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |
| 0.438 INCHES 2ND END |
| THREAD CLASS | 3B 1ST END |
| NOMINAL OVERALL LENGTH | 1.281 INCHES |
| REDUCER TYPE | CONCENTRIC |