31774-6: ADAPTER,STRAIGHT,FLANGE TO TUBE.
ADAPTER,STRAIGHT,FLANGE TO TUBE. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, seat_angle: 12.0 DEGREES FIRST END, flange_shape: ROUND WITH HOLES SECOND END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARELESS (TUBE) FIRST END. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-899-2181, 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 2024 OVERALL |
| seat_angle | 12.0 DEGREES FIRST END |
| flange_shape | ROUND WITH HOLES SECOND END |
| thread_class | 3A FIRST END A |
| connection_type | THREADED EXTERNAL TUBE FIRST END |
| connection_style | FLARELESS (TUBE) FIRST END |
| nominal_thickness | 0.160 INCHES SECOND END IN |
| surface_treatment | ANODIZE OVERALL |
| bolt_hole_quantity | 6 SECOND END |
| flange_face_design | PLAIN SECOND END |
| nominal_thread_size | 0.563 INCHES FIRST END IN |
| nominal_overall_length | 0.989 INCHES IN |
| NSN | 5310-00-899-2181 |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.415 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN |
| SPLIT KEY LENGTH | 0.180 INCHES NOMINAL IN |
| EXTERNAL PREBENT KEY LENGTH | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| OVERALL DISTANCE INCLUDING KEYS | 0.977 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| STYLE DESIGNATOR | KEY |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| OUTSIDE DIAMETER | 0.685 INCHES MINIMUM AND 0.695 INCHES MAXIMUM IN |
| EXTERNAL TAPERED KEY WIDTH | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| MATERIAL THICKNESS | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| EXTERNAL KEY QUANTITY | 3 |