A51H40512-11: NUT,PLAIN,ROUND.
The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-12 OVERALL, nut_style: ROUND, nut_diameter: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 0.343 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL JOINT (UNJ). This part is cataloged in the U.S.
Government catalog under NSN 5310-00-003-6545, 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 COMP XM-12 OVERALL |
| nut_style | ROUND |
| nut_diameter | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| thread_class | 3B |
| nut_thickness | 0.343 INCHES NOMINAL IN |
| thread_series | UNIFIED NATIONAL JOINT (UNJ) |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| special_features | 0.045 IN. MIN 0.050 IN. MAX DIA 3 LOCKWIRE HOLES EQUALLY SPACED 120 DEGREES APART ON EACH SIDE IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 45.0 DEGREES NOMINAL NUT |
| drive_point_depth | 0.090 INCHES NOMINAL IN |
| drive_point_width | 0.120 INCHES NOMINAL IN |
| NSN | 5310-00-003-6545 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT (UNJ) |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5659 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| DRIVE POINT WIDTH | 0.120 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.875 INCHES IN |
| NUT DIAMETER | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| DRIVE POINT DEPTH | 0.090 INCHES NOMINAL IN |
| NUT THICKNESS | 0.343 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.