637A: WRENCH,OPEN END.
The WRENCH,OPEN END is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 10.500 INCHES NOMINAL IN, style_designator: THIN DOUBLE HEAD, surface_treatment: ENAMEL AND LACQUER OVERALL, large_end_head_angle: 15.0 DEGREES NOMINAL, small_end_head_angle: 15.0 DEGREES NOMINAL. This part is cataloged in the U.S.
Government catalog under NSN 5355-00-160-5964, 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 | STEEL OVERALL |
| overall_length | 10.500 INCHES NOMINAL IN |
| style_designator | THIN DOUBLE HEAD |
| surface_treatment | ENAMEL AND LACQUER OVERALL |
| large_end_head_angle | 15.0 DEGREES NOMINAL |
| small_end_head_angle | 15.0 DEGREES NOMINAL |
| wrenching_surface_size | 1.125 INCHES NOMINAL FIRST END IN |
| wrenching_surface_shape | OVAL BOTH ENDS INTERNAL |
| large_end_head_thickness | 0.281 INCHES NOMINAL IN |
| small_end_head_thickness | 0.281 INCHES NOMINAL IN |
| nondefinitive_spec/std_data | 17 TYPE AND 1 CLASS |
| departure_from_cited_document | AS MODIFIED BY WRENCHING SURFACE SIZES |
| NSN | 5355-00-160-5964 |
| SHANK DIAMETER | 0.805 INCHES MINIMUM AND 0.819 INCHES MAXIMUM IN |
| DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE | 0.368 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN |
| SHAFT ACCOMMODATION STYLE | ROUND |
| OVERALL THICKNESS | 0.618 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN |
| SHANK LENGTH | 0.337 INCHES MINIMUM AND 0.351 INCHES MAXIMUM IN |
| STYLE DESIGNATOR | FLUTED FOILS |
| SETSCREW HOLE QUANTITY | 2 |
| NOMINAL THREAD SIZE | 0.164 INCHES SCREW HOLE IN |
| INSIDE DIAMETER | 0.243 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN |
| SHANK STYLE | STRAIGHT |