215939: PARTS KIT,SEAL REPLACEMENT,MECHA.
PARTS KIT,SEAL REPLACEMENT,MECHA. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.562 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.750 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN, fastener_length: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-021-5939, 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 |
| head_style | HEXAGON |
| head_height | 0.562 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 1.750 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN |
| fastener_length | 2.000 INCHES NOMINAL IN |
| hardness_rating | 100.0 ROCKWELL B MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| width_between_flats | 1.000 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.750 INCHES IN |
| minimum_tensile_strength | 64000 POUNDS PER SQUARE INCH LBS |
| thread_quantity_per_inch | 16 |
| NSN | 5305-00-021-5939 |
| HEAD HEIGHT | 0.562 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.000 INCHES NOMINAL IN |
| THREAD LENGTH | 1.750 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN |
| HARDNESS RATING | 100.0 ROCKWELL B MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HEAD HEIGHT AND WIDTH BETWEEN FLATS |
| WIDTH BETWEEN FLATS | 1.000 INCHES NOMINAL IN |