SAE-AS1251: UNION,TUBE.
The UNION,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_type: RECESSED, seat_angle: 37.0 DEGREES ALL ENDS, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, special_features: O-RING PER AS1097; WIDTH ACROSS FLATS WRENCHING FACILITY 1.113-1.128 IN; NOMINAL TUBE SIZE 0.625 IN. This part is cataloged in the U.S.
Government catalog under NSN 4730-00-502-8976, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | ALUMINUM ALLOY OVERALL |
| seat_type | RECESSED |
| seat_angle | 37.0 DEGREES ALL ENDS |
| connection_type | THREADED EXTERNAL TUBE ALL ENDS |
| connection_style | FLARED (TUBE) ALL ENDS |
| special_features | O-RING PER AS1097; WIDTH ACROSS FLATS WRENCHING FACILITY 1.113-1.128 IN; NOMINAL TUBE SIZE 0.625 IN |
| style_designator | RIGID, SHORT CENTER WRENCHING FACILITY |
| surface_treatment | ANODIZE OVERALL |
| nominal_thread_size | 0.875 INCHES ALL ENDS IN |
| nominal_overall_length | 1.844 INCHES IN |
| end_item_identification | RQ-4A UAV AIRCRAFT A |
| thread_quantity_per_inch | 14 ALL ENDS |
| NSN | 4730-00-502-8976 |
| CONNECTION STYLE | FLARED (TUBE) FIRST END |
| NOMINAL OVERALL LENGTH | 2.188 INCHES IN |
| CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |
| STYLE DESIGNATOR | FLARED W/ CENTER WRENCHING FACILITY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES FIRST END IN |
| NOMINAL THREAD SIZE | 1.312 INCHES FIRST END IN |
| SEAT ANGLE | 37.0 DEGREES FIRST END |
| SPECIAL FEATURES | MACHINED GROOVE IN FLARED ENDS TO ACCOMMODATE SEAL RINGS PER KC103 |
| SURFACE TREATMENT | PASSIVATE INSIDE |